000 00280nam a2200109Ia 4500
100 _aMarshall Cavendish Learning System
942 _cBK
245 _aEngineers at work
_bapplied science II
260 _aMarshall Cavendish Books, London
_c1970
082 _a620 M.C.L.S.
300 _a64
999 _c5474
_d5474