000 00289nam a2200109 4500
245 _aFundamental electrostatics
_c S.W. hockey
100 _aHockey, S.W.
260 _aLondon
_bMathuen educational
_c1972
300 _a84p.;21cm.
490 _aMathuen studies in science
082 _a537.2
_bHOC
999 _c18479
_d18479