000 00265nam a22001097a 4500
008 240521b xxu||||| |||| 00| 0 eng d
082 _a84.50 Physics 3962
100 _aAllen H.S.
_944715
245 _aA Textbook of Practical Physics
260 _c1952
942 _cOB
999 _c18987
_d18986