000 00349nam a2200157Ia 4500
008 210210b1961 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a534/34
100 _aDITCHBURN (R W)
245 _aLight
260 _aLondon
_bBlackie & Son Ltd.
_c1961
300 _axxii,680
650 _aLight
690 _aPhysics
906 _a008522
999 _c126357
_d126357