TY  - BOOK
AU  - Popyk Marlin K. 
TI  - World Processing and Information System ; A practical Approach To Concepts 
SN  - 0070505748
U1  - 652.5 POP  
PY  - 1983///
CY  - USA 
PB  - McGraw-Hill Book Company 
KW  - World Processing Information System
ER  -