000 00308nam a2200121Ia 4500
008 210210b1963 xxu||||| |||| 00| 0 eng d
082 _a536/67
100 _aKLEIN (Arthur H)
245 _aMasers and lasers
260 _aLondon
_bGeorge Allen & Unwin Ltd
_c1963
690 _aModern Physics
906 _a008865
999 _c126628
_d126628