1
Shallow oil and gas resources : Proceedings : Shallow oil and gas resources : international conference. 0001 : Norman, OK, 25.07.1984-03.08.1984.
Book
Subject (ZB): ...natural gas exploration...
2
The future supply of nature made petroleum and gas: technical reports : UNITAR conference on energy and the future 0001 : IIASA conference on energy resources 0002 : Laxenburg, 05.07.76-16.07.76.
Book