TY  - GEN
AU  - Hearst, Joseph R
AU  - Nelson, Philiph H
TI  - Well logging for physical properties
SN  - 0070276986
U1  - 628.114 HEA 
CY  - Newyork, Mc Graw-Hill Book Co
KW  - Geophysical  welllogging/ petroleum- geology/ gas, natural- geology/ prospecting
ER  -