TY  - BOOK
AU  - Scheele Martin
AU  -  Holmstrom J E
TI  - Punch-card methods in research and documentation: With special reference to biology
T2  - Library Science and Documentation : A Series of Texts and Monographs
PY  - 1961///
CY  - New York, USA
PB  - Interscience Publishers
KW  - Library Science
ER  -