000			00372pam a2200145a 44500
082			_aNASA _bTN D-1446
100			_aSchaller,N C
245	1		_aMETHODS OF EXPRESSING MASS UNBALANCE
260			_a _bNasa, Washington, D.C. _c1963
300			_a9
500			_aBound With Nasa Tn D-1441-1445,1447-1450
700			_aLewallen,J M
964			_gCIRC
997			_aTR15375 C
999			_c400459 _d400459