Refine My Results

Creation Date 

1. Before 1960  (16,390)
2. 1960 To 1975  (14,323)
3. 1976 To 1991  (56,122)
4. 1992 To 2008  (196,600)
5. After 2008  (474,197)
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New Records 

1. New From Last Month  (2,594)
2. New From Last 3 Month  (25,960)
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Subject 

1. Physics  (154,904)
2. Calculating  (92,241)
3. Computing  (92,241)
4. Counting  (92,241)
5. Electric Digital Data Processing  (56,818)
6. Checking-Devices  (52,263)
7. Coin-Freed Or Like Apparatus  (47,144)
8. Electricity  (34,817)
9. Electric Communication Technique  (28,285)
10. Image Data Processing Or Generation, In General  (22,380)
11. Cryptography  (20,961)
12. Advertising  (20,961)
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Language 

1. English  (615,763)
2. Japanese  (218,782)
3. Chinese  (62,765)
4. French  (51,536)
5. German  (28,647)
6. Korean  (16,427)
7. Spanish  (9,062)
8. Russian  (3,493)
9. Portuguese  (3,433)
10. Italian  (2,496)
11. Dutch  (717)
12. Swedish  (656)
13. Finnish  (547)
14. Danish  (446)
15. Czech  (402)
16. Norwegian  (274)
17. Romanian  (265)
18. Polish  (245)
19. Turkish  (217)
20. Ukrainian  (127)
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