000 00266nam a22001097a 4500
082 _a621 WAL'C
100 _aWALKER, J. D
_957261
245 _aMECHANICAL ENGINEERING SCIENCE FOR NATIONAL CERTIFICATE
250 _aVOL-1
260 _aLONDON
_bEUP
_c1962
942 _cBK
999 _c585546
_d585546