Publication

1971 - For sale by the Supt. of Docs., U. S. Govt. Print. Off., Washington, No place, unknown, or undetermined

Language

English

Word Count

34,750 words, Guess

Page Count

139 pages

Identifiers

Classifications

  • LCCTD883.2 .A518

Subjects

Series Statement

  • Office of Air Programs publication -- no. AP-76

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