000			00347pam a2200145a 44500
082			_a621.381 _bB795m
100			_aBrotherton, Manfred
245	1		_aMASERS AND LASERS _cHOW THEY WORK, WHAT THEY DO
260			_aN. Y. _bMcgraw-Hill _c1964
300			_axvi,207
650			_aMasers
650			_aLasers
964			_gCIRC
997			_a53781 s C
999			_c416783 _d416783