scientific article

Washington: Smithsonian Institution Press: for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976.

scientific article published in 1970

scientific article published in 1969

scientific article published on 01 May 1967

scientific article published in 1976

scientific article

Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]1974.

scientific article published in 1979

scientific article published in 1974

scholarly article

Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]1974.

scientific article published in 1969

scientific article published in Science

scientific article published in 1968

article

scientific article published in 1975

scientific article published in 1964

scientific article (publication date: February 1973)

scientific article

scientific article published in 1972

scientific article published on 01 October 1984