TY  - GEN
AU  - Heys, William B.
TI  - Edicin̤ Especial Powerbuilder 6
T2  - 25176
SN  - 8120313968
U1  - 005.713769 HEY 
PY  - 1998///
CY  - New Delhi
PB  - PHI
KW  - Powerbuilder
ER  -