TY  - BOOK
AU  -  SAP documentation
TI  - ABAP/4 development workbench : : System R/3
U1  - 005.7 SAP 
PY  - 1996///
CY  - 	Walldorf
PB  -  : SAP AG, 
KW  - ABAP/4
KW  - Computer programming languagE
KW  - SAP R/3
ER  -