000			00441nam a22001571a 4500
003			USJPLib
008			140924b xxu||||| |||| 00| 0 eng d
082			_a535.33 _bALL
100			_aAllen, L.
245			_aPrinciples of gas lasers _h[Text] _cAllen, L.
260			_bButterworth _aLondon _c1967
300			_aix,158 p. _cillus., plates., 22 cm.
650			_aLight and Paraphotic Phenonema
700			_aJones, D. G. C.
942			_2ddc _cLM
999			_c60051 _d60051