TY  - BOOK
ED  - United Nations Environment Programme.
TI  - The Impact of water-based drilling mud discharges on the environment: an overview
PY  - 1985///
CY  - [Nairobi?]
PB  - Industry & Environment Office, United Nations Environment Programme
KW  - Drilling muds
KW  - Environmental aspects
KW  - Boring
KW  - Oil well drilling
ER  -