TY  - BOOK
AU  - Keller, Horst
TI  - ABAP objects : introduction to programming SAP applications
SN  - 9780201750805
U1  - 005.13 KEL 
PY  - 2002///
CY  - Upper Saddle River, NJ
PB  - Addison Wesley
KW  - ABAP/4 (Computer program language)
ER  -