000 00319nam a22001217a 4500
082 _a658.5 SWA
100 _aSwain,Alan
245 _aDesign techniques for improving
260 _aLondon
_bindustry and commercial technical ltd
_c1972
300 _a140p.
_bill,
650 _aDesign techniques for improving
942 _cBK
999 _c16678
_d16678