000 00230 a2200097 4500
001 27301
100 _aJohnston, K.F
245 _aElectrical and mechanical engg contracts
260 _a
_bGower press
_c1971
090 _c18128
_d18128
942 _aNUST-CAE
_cM
_c9034
999 _c262374
_d262374