Notched cards. Feature cards, peek-a-boo cards. Punched cards. Electronic searchning. Codin i yes-no form / Felix Reichmann ; Lawrence S. Thomson ; Ralph Blasingame
Reichmann, Felix, 1899-
Notched cards. Feature cards, peek-a-boo cards. Punched cards. Electronic searchning. Codin i yes-no form / Felix Reichmann ; Lawrence S. Thomson ; Ralph Blasingame - New Brunswick, Estados Unidos Graduate School of Library Service, Rutgers, the State University 1961 - v. 23 cm
Incluye bibliografía
SISTEMA DE TARJETAS PERFORADAS
010.28/R272
Notched cards. Feature cards, peek-a-boo cards. Punched cards. Electronic searchning. Codin i yes-no form / Felix Reichmann ; Lawrence S. Thomson ; Ralph Blasingame - New Brunswick, Estados Unidos Graduate School of Library Service, Rutgers, the State University 1961 - v. 23 cm
Incluye bibliografía
SISTEMA DE TARJETAS PERFORADAS
010.28/R272