000			00507nam a2200169 454500
008			160721b1971 xxu||||| |||| 00| 0 eng d
082			_aNASA _bCR-1885
100	1		_aGEERS,T L
245	1		_aANALYSIS OF TRANSIENT; LINEAR WAVE PROPAGATION IN SHELLS BY THE FINITE DIFFERENCE METHOD
260			_bNASA, WASHINGTON, D.C. _c1971
300			_a,155,,,,,,
500			_aBound with NASA CR-1886-92 Lack No.1887-89, 91.
700			_aSOBEL,L H
964			_gCIRC
997			_a101557 C
998			_c9341 _d9341
999			_c483132 _d483132