TY  - BOOK
AU  - Kretschmer, Rudiger
AU  - Weiss, Wolfgang
TI  - Developing SAPs R/3 applications with ABAP/4
U1  - 005.133 21st ed.
PY  - 1997///
CY  - New Delhi
PB  - BPB Publications
KW  - Computer programming
KW  - Language-Computer
ER  -