000			00410pam a2200145a 44500
082			_aNASA _bCR-1475
100			_aTorney,F L,Blum,P
245	1		_aA COLD CATHODE ION SOURCE MASS SPECTROMETER EMPLOYING ION COUNTING TECHNIQUES
260			_a _bNasa, Washington, D.C. _c1969
300			_a169
500			_aBound With Nasa Cr-1470-74, 1476.
700			_aRoehrig,J R
964			_gCIRC
997			_aTR11675 C
999			_c396762 _d396762