一般注記Distributed to depository libraries in microfiche
Physical description for original version: vii, 124 p. : 28 cm
書誌注記Includes bibliographical references (p. 121-124)
原資料等に関する注記原資料の出版事項: [Washington, DC] ; [Springfield, Va.? : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division : National Technical Information Service, distributor], 1989
SUPTDOC番号: NAS 1.26: 4228
GPO管理番号: 0830-H-14 (MF)