TY  - BOOK
AU  - Reichmann,Felix,1899-
AU  - Blasingame,Ralph
AU  - Thomson,Lawrence S
TI  - Notched cards. Feature cards, peek-a-boo cards. Punched cards. Electronic searchning. Codin i yes-no form / Felix Reichmann ; Lawrence S. Thomson ; Ralph Blasingame
U1  - 010.28/R272 
PY  - 1961///
CY  - New Brunswick, Estados Unidos 
PB  - Graduate School of Library Service, Rutgers, the State University
KW  - SISTEMA DE TARJETAS PERFORADAS
N1  - Incluye bibliografía
ER  -