TY  - BOOK
AU  - Casey, Robert S (Ed.)
AU  - Perry, James W (Ed.)
TI  - Punched cards: : Their applications to science and industry
PY  - 1951///
CY  - New York: 
PB  - Reinhold Publishing Corporation, 
KW  - Punch card
KW  - Punched card fundamentals
ER  -