000 00450nam a22001577a 4500
008 230428b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a538.567.3:539.132
_bK3
100 _aTroup, Gordon
_97815
245 _aMasers and lasers
260 _aLondon:
_bLondon Methuen & Co. Ltd.,
_c1959
300 _aviii, 191p.
650 _aScience
653 _aMolecular
942 _2udc
_cBK
999 _c24902
_d24902