Contributions

  • Halpern, Seymour Lionel, 1922- joint author. - Contributor

Publication

1952 - National Academy of Sciences, National Research Council, Washington, District of Columbia

Language

English

Word Count

23,500 words, Guess

Page Count

94 pages

Identifiers

Classifications

  • LCCRM216 .P68
  • LCCRM216 P68

Subjects

Series Statement

  • National Research Council. Publication
  • no. 234

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