TY  - BOOK
AU  - John L. Feirer.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : principles and practice 
SN  - 0-07-020369-5
SN  - 2
PY  - 1973///46
CY  - New York
PB  - McGraw-Hill.
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
N1  - 5
ER  -