000 00229nam a22001097a 4500
082 _a620 WAL'E
100 _aWALKER, J. D
_957261
245 _aENGINEERING SCIENCE
260 _aLONDON
_bEUP
_c1963
300 _a171P
942 _cBK
999 _c567556
_d567556