Ultra-sound cutting and fusing of biological tissue,

Selections from Russian-language book by B. V. Petrovskiy and V. I. Petrov; Ulʹtrazvukovaya Rezka i Svarka Biologischeskikh Tkaney, 1972, Moscow pp. 9-37, 58-61.

Proceedings of session, host-specificity testing of exotic arthropod biological control agents : the biological basis for improvement in safety /

"August 2000"--Cover.

Report of a proposal to establish a tri-state commission to study possible health effects of radiation from nuclear weapons testing.

Mode of access: Internet.