Johnstone, I. M.
The sea-grasses of the Port Moresby region : an introductory guide to their taxonomy, ecology and distribution / by I. M. Johnstone. - [Port Moresby] : University of Papua New Guinea, Dept. of Biology, 1975. - 38p. : ill. - Occasional papers ; no. 7. . - Occasional papers (University of Papua New Guinea. Dept. of Biology) ; no. 7. .
Seagrasses--Papua New Guinea--Port Moresby Region.
The sea-grasses of the Port Moresby region : an introductory guide to their taxonomy, ecology and distribution / by I. M. Johnstone. - [Port Moresby] : University of Papua New Guinea, Dept. of Biology, 1975. - 38p. : ill. - Occasional papers ; no. 7. . - Occasional papers (University of Papua New Guinea. Dept. of Biology) ; no. 7. .
Seagrasses--Papua New Guinea--Port Moresby Region.