1. The development of punch card tabulation in the Bureau of the census, 1890-1940. With outlines of actual tabulation programs
پدیدآورنده : / By Leon E. Truesdell
کتابخانه: Central Library and Archive Center of shahid Beheshti University (Tehran)
موضوع : U.S. Bureau of the cenaus - History,Punched card systems - History
رده :
001
.
4224
T866d
