21
Knight, G. Norman, 024.95-K69i
| George Allen & Unwin |
1979
024.95-K69i,
22
Allen, Thomas O., 572.6-A431p
| Oil & Gas Consultants International |
1993
572.6-A431p,
23
24
Stevenson, Olive, 338.13-S848s
| George Allen & Unwin |
1981
338.13-S848s,
25
Allen, Leslie, 984-A425p-R
| National Geographic Society |
1991
984-A425p-R,
26
McInnes, Colin, 390-M478n
| George Allen and Unwin |
1990
390-M478n,
27
Cheshire, Paul C., 320.92-C524u
| George Allen and Unwin |
1989
320.92-C524u,
28
Bergson, Abram, 320.904-B499p
| George Allen and Unwin |
1989
320.904-B499p,
30
Forstner, Helmut., 322.82-F734c
| George Allen and Unwin |
1990
322.82-F734c,
1
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