000			00435pam a2200145a 44500
082			_aNASA _bTN D-4692
100			_aHurwitz,Martin G
245	1		_aMATHEMATICAL DETERMINATION OF GEOMETRICAL IMAGE ABERRATIONS IN SINGLE-AND DOUBLE-MIRROR SYSTEMS.
260			_a _bNasa, Washington, D.C. _c
300			_a23
500			_aBound With Nasa Tn D-4691, 4693-99
700			_aTschunko,Hurbert F A
964			_gCIRC
997			_aTR11504 C
999			_c396278 _d396278