A literature filter of variable permeability
Publisher: s.n.]
Published: 1972
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 79
Subjects: Book selection.
Notes: Thesis--Case Western Reserve University.

Bibliography: leaves 57-58.

Microfilm of typescript. Ann Arbor : University Microfilms. 1 reel ; 35 mm.