000 002570000a22001090004500
245 _aEngineering graphics modelling
100 _aTjalve, E. ...[et.al.]
260 _aLondon
_bButterworths
_c1979
080 _a621.7:744
_bT6
041 _aEN
942 _cBK
999 _c113905
_d113905