-
41
-
42by Roberts, William GeoffreySubjects: “...Petroleum engineering Juvenile literature....”
Published 1977
Book -
43
-
44
-
45by Weimer, PaulSubjects: “...Stratigraphic traps (Petroleum geology)...”
Published 2007
Software eBook -
46
-
47
-
48
Book -
49
-
50Published 1958Subjects: “...Petroleum Refining....”
Serial -
51
-
52
-
53
-
54
-
55
-
56
-
57Published 1952Subjects: “...Petroleum Venezuela....”
Book -
58
-
59by Fettke, Charles R. (Charles Reinhard), 1888-1959Subjects: “...Petroleum Pennsylvania....”
Published 1950
Book -
60