Guide for the preparation of proposals for elementary teacher in-service energy education, 1979.

Deadline for receipts of proposals, Feb. 12, 1979.

Sampling macroinvertebrates on high-energy sand beaches /

Includes glossary.

An investigation of high energy radio propagation in the atmosphere

"RADC-TDR-63-410."

Nuclear exports, international safety and environmental issues : hearings before the Subcommittee on International Economic Policy and Trade of the Committee on Foreign Affairs, House of Representatives, Ninety-sixth Congress, December 18, 1979, and May 7, 1980.

Mode of access: Internet.