Tropical diving adventures : Papua New Guinea /
Halstead, Bob.
Tropical diving adventures : Papua New Guinea / Bob Halstead. - Port Moresby : Robert Brown & Associates, 1977. - [30] p. : ill., map ; 24 cm. - Wildlife series ; no.3. .
0909093180
Diving--Papua New Guinea.
Scuba diving--Papua New Guinea.
Tropical diving adventures : Papua New Guinea / Bob Halstead. - Port Moresby : Robert Brown & Associates, 1977. - [30] p. : ill., map ; 24 cm. - Wildlife series ; no.3. .
0909093180
Diving--Papua New Guinea.
Scuba diving--Papua New Guinea.