TY  - BOOK
ED  - Eastern Research Group
TI  - Use of Airborne, Surface and Borehole Geophysical Techniques at Contaminated Sites: a reference guide 
U1  - 550 23
PY  - 1993///
CY  - Cincinnati, OH.
PB  - U.S. Environmental Protection Agency
KW  - Earth science
N1  - Includes bibliographical references
ER  -