000 00307pam a2200133a 44500
082 _aBTS
_bMONO 3933
100 _aSchawlow,A L
245 1 _aINFRARED AND OPTICAL MASERS
260 _a
_b
_c1961
300 _a11
500 _aBound With Bts Mono 3921-32,3934-50
964 _gCIRC
997 _aTR19077 C
999 _c402848
_d402848