TY  - BOOK
AU  - HALLENBERG, JAMES K.
TI  - HP41C FORMATION EVALUATION PROGRAMS
SN  - 0878142533
U1  - 553.2802854 
PY  - 1984///
CY  - Estados Unidos
PB  - PENNWELL BOOKS
KW  - GAS NATURAL
KW  - HP41C-CALCULADORA
KW  - PETROLEO-GEOLOGIA
ER  -