Investigations of the ion exchange resins in use in South Africa : topical report /

"Date Declassified: September 23, 1955."

Biological investigations of noxious coelenterates and ctenophores in coastal North Carolina /

Mode of access: Internet.

Reports - California Cooperative Oceanic Fisheries Investigations.

At head of title: State of California, Dept. of Fish and Game, Marine Research Committee.