STEP #20: Bibliografia.

1. http://www.treccani.it/vocabolario/orologio/
2. https://it.wikibooks.org/wiki/Orologeria_meccanica#Organo_motore
3. https://it.wikipedia.org/wiki/Orologio#Il_quadrante
4. https://it.wikipedia.org/wiki/Orologio#Storia_dell'orologio
5. https://www.tempodiorologi.com/storia-dell-orologio/
6. https://it.wikipedia.org/wiki/Acta_Eruditorum
7. https://www.copernicum.it/book/catalogo-isgus-orologi-contasecondi-fotografia-1631974
8. https://www.orologivivian.it/cataloghi.html
9. https://www.verdelillahome.com/orologi-da-parete/orologi-da-parete-per-soggiorno
10. https://analogdigitalclock.wordpress.com/2015/11/12/1-storia-dellorologio/
11. http://files.vividscreen.info/soft/906ede7cb0ed2c7fc433faeab04fa276/Salvador-Dali-The-Persistence-of-Memory-Surrealism-2880x1920.jpg
12. https://commons.wikimedia.org/w/index.php?curid=169240
13. http://www.efira.it/poesie/baudelaire_orologio.htm
14. http://www.altrianimali.it/2016/12/25/dono-dei-magi-henry/
15. https://www.slideshare.net/simonapanz/orologio-da-polvere-di-ciro-di-prs
16. https://www.bulgaria-italia.com/bg/info/letteratura/kamenova.asp
17. https://www.bulgaria-italia.com/bg/info/letteratura/kamenova_orologio.asp
18. https://www.zenith-watches.com/en_en/defy-el-primero-21-5.html#video
19. https://www.e-hon.ne.jp/bec/SA/Detail?refISBN=9784091228987&Mail_id=2018
20. https://inducks.org/story.php?c=I+TL++457-C&search=Paperino%20e%20l%27orologio%20viennese
21. https://aforisticamente.com/2015/02/04/frasi-citazioni-e-aforismi-sugli-orologi/
22. https://www.google.it/search?hl=it&rlz=1C1SQJL_itIT789IT789&biw=1396&bih=641&tbm=isch&sa=1&ei=eIc8XOulN6rRrgSxwon4Aw&q=back+to+the+future+clock&oq=back+to+&gs_l=img.3.1.0i67l3j0j0i67j0j0i67l2j0j0i67.1624.3024..5267...0.0..0.194.1046.0j8......1....1..gws-wiz-img.......35i39.B2C5nn4a5W0#imgrc=iWJ4NgpMFEjuUM: 
23. https://it.wikipedia.org/wiki/Ritorno_al_futuro
24. https://www.google.com/search?rlz=1C1SQJL_itIT789IT789&biw=1396&bih=641&tbm=isch&sa=1&ei=Tog8XPWULdGWkwXVyI_gBQ&q=metropolis+clock&oq=metropolis+clock&gs_l=img.3..0j0i30.1356.2989..3243...0.0..0.184.900.0j6......1....1..gws-wiz-img.......35i39j0i67j0i5i30j0i8i30.X_1o1XeN-xI#imgrc=dXXpaVWkqQxhtM: 
25. https://it.wikipedia.org/wiki/Metropolis_(film_1927)
26. https://en.wikipedia.org/wiki/This_Time_(Dwight_Yoakam_album)
27. https://en.wikipedia.org/wiki/Alarm_Clock_(album)
28. https://genius.com/albums/Banco-del-mutuo-soccorso/Darwin
29. http://www.truemetal.it/recensioni/raintimes-94502
30. https://www.adnkronos.com/fatti/cronaca/2016/03/24/perche-gli-orologi-nelle-pubblicita-segnano-sempre_RYQCmFAvhRBoAiPfLeUMEM.html?refresh_ce
31. https://it.wikipedia.org/wiki/Orologio_della_Torre_di_Sant%27Andrea
32. https://it.wikipedia.org/wiki/Calibro_89
33. http://www.fondiantichi.unimo.it/fa/emblem01/saav057.html
34. https://it.wikipedia.org/wiki/Diego_de_Saavedra_Fajardo
35. https://www.lameziaterme.it/orologio-civico-serrastretta/
36. https://www.google.it/search?rlz=1C1SQJL_itIT789IT789&biw=1536&bih=754&tbm=isch&sa=1&ei=MUvsW7zAGsO3swGA2qKQBg&q=citizen+logo&oq=citizen+logo&gs_l=img.3..0j0i30k1l3j0i5i30k1l6.3721.4769.0.5041.5.5.0.0.0.0.207.773.0j3j1.4.0....0...1c.1.64.img..1.4.772...0i67k1.0.c4-B1JBpEig#imgrc=87R2VwRHFt-WeM: 
37. https://it.wikipedia.org/wiki/Citizen_Watches
38. https://www.google.com/search?q=claude+meylan+vall%C3%A9e+de+joux&rlz=1C1SQJL_itIT789IT789&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjBnvfBre3fAhXLzaQKHXZiCskQ_AUIDigB&biw=1396&bih=641&dpr=1.38#imgrc=BUMfat4lvMB5zM: 
39. https://pl.wikipedia.org/wiki/Claude_Meylan
40. http://tr3ndygirl.com/gli-8-migliori-designer-di-orologi-per-uomini/
41. https://www.google.com/search?rlz=1C1SQJL_itIT789IT789&biw=1396&bih=641&tbm=isch&sa=1&ei=aQpCXNumMcWUsgG6z66gCA&q=seiko+watches+for+men+adv&oq=seiko+watches+for+men+adv&gs_l=img.3...1422.3755..4052...0.0..0.216.565.0j3j1......1....1..gws-wiz-img.......0i19j0i30i19j0i5i30i19.D3hkOs_hIjo#imgrc=IxdzdenD7RZVtM:Fff
42. https://www.google.com/search?rlz=1C1SQJL_itIT789IT789&biw=1396&bih=641&tbm=isch&sa=1&ei=xwpCXKiMJ4GMsgG0gYqQBg&q=citizen+watches+for+men+adv&oq=citizen+watches+for+men+adv&gs_l=img.3..35i39l2.11315.11687..11882...0.0..0.182.352.0j2......1....1..gws-wiz-img.TzUc2k5iBZg#imgrc=5rrSQIBTICqVgM: 
43. https://www.google.com/search?q=festina+watches+for+men+adv&rlz=1C1SQJL_itIT789IT789&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj8347z6_ffAhXyqHEKHZfbBskQ_AUIDigB&biw=1396&bih=641&dpr=1.38#imgrc=OLjj2f9JQ8lm4M: 
44. https://www.google.com/search?q=tissot+watches+for+men+adv&rlz=1C1SQJL_itIT789IT789&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi_nPOR7PffAhVQTxUIHU2BDmIQ_AUIDigB&biw=1396&bih=641#imgrc=_25jtnW8AZ3p-M: 
45. https://www.google.com/search?rlz=1C1SQJL_itIT789IT789&biw=1396&bih=686&tbm=isch&sa=1&ei=iBNCXOWHB8WUsAHUk6fADQ&q=cartier+watches+for+men+adv&oq=cartier+watches+for+men+adv&gs_l=img.3..35i39.54044.54412..54687...0.0..0.139.239.0j2......1....1..gws-wiz-img.jKfEVqs3uFM#imgrc=F_5vjkxtENAlzM: 
46. https://patents.google.com/patent/USRE7002?oq=wall+clock
47. https://patents.google.com/patent/USD89236?oq=wall+clock
48. https://patents.google.com/patent/USD403595?oq=wall+clock
49. https://it.wikipedia.org/wiki/The_Swatch_Group
50. https://it.wikipedia.org/wiki/Tourbillon
51. https://it.wikipedia.org/wiki/Cronografo_sdoppiante
52. https://www.blancpain.com/en/manufacture
53. https://it.wikipedia.org/wiki/John_Harrison
54. https://www.leggo.it/news/esteri/orologio_pi_ugrave_preciso_mondo_atomi_stronzio-991849.html