TY  - BOOK
AU  -  Brown,Paul Llewellyn
AU  -  Stuermann,Walter Earl
TI  -  Elementary modern logic / 
U1  -  160 
PY  - 1965///]
CY  -  New York : 
PB  -  Ronald Press Co., 
KW  -  Logic
N1  -  Includes bibliographical references
ER  -