Identification SectionNational Technical Information Service distributor, Supt. of Docs.U.S. G.P.O. distributor ; Identification SectionNational Technical Information Service distributor,
Copyright Date:
1984
Description:
iv, 19 p. : ill. ; 28 cm.
Reproduction Info:
Microfiche. [Washington, D.C.] : U.S. G.P.O., 1984. 1 microfiche. s1984 dcun b
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