New sources of oil and gas : gases from coal ; liquid fuels from coal, shale tar sands, and heavy oil sources / by S.S. Penner...[et al.]
Pergamon Press, 1982
 Buku Teks
Anderson, Larry L.
Synthetic fuels from coal : overview and assessment / Larry L. Anderson, David A. Tillman
John Wiley & Sons, Inc, 1979
 Buku Teks
Tales from the Canadian Rockies
edited by Brian Patton
Hurtig Publishers, 1984
 Buku Teks
New perspective on community development
edited by Mahlon Apgar
McGraw-Hill, 1976
 Buku Teks
Immigration: new Americans, old question
edited by Melinda Maidens
Facts on File, 1981
 Buku Teks
<<   1 2 3   >>