000			00424pam a2200145a 44500
082			_aNASA _bTN D-1411
100			_aKeralake,William R
245	1		_aADDITIONAL STUDIES OF SREEN AND ACCELERATOR CRIDS FOR ELECTRON-BOMBARDMENT ION THRUSTORS.
260			_a _bNasa, Washington, D.C. _c1963
300			_a31
500			_aBound With Nasa Tn D-1412-1420.
700			_aPawlik,Eugene V
964			_gCIRC
997			_a65541 C
999			_c448393 _d448393