"Research performed under grant no. NA82AA-D-00016."
"April 1984."
Physical description for original version: viii, 36 p. : 28 cm
原資料等に関する注記
原資料の出版事項: Orono, Me. ; [Washington, D.C.?] ; Rockville, Md. : University of Maine at Orono : Federal Geodetic Control Committee : For sale by the National Geodetic Information Center, NOAA, [1984]