51

Compression and error sensitivity of two-dimensional facsimile coding techniques

Year:
1980
Language:
english
File:
PDF, 698 KB
english, 1980
54

Inventions New and Interesting

Year:
1916
Language:
english
File:
PDF, 1.25 MB
english, 1916
59

THE LEANING TOWER OF PISA

Year:
1930
Language:
english
File:
PDF, 48 KB
english, 1930