TY  - BOOK
AU  - Beall,Jc
TI  - Logic: the basics / 
SN  - 9780415774994
U1  - 160  21st
PY  - 2010///
CY  - New York : 
PB  - Routledge , 
KW  - LOGIC
N1  - Includes bibliographical references and index
ER  -