Cover title. Title page is unreadable. Distributed to depository libraries in microfiche. Shipping list no.: 93-0697-M. "December 1992." "GAO/GGD-93-39." "B-251652"--P. [1].
Bibliography Note
Includes bibliographical references (page 80).
Reproduction Note
Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1993]. 1 microfiche : negative.
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