000 00431cam a22001097a 4500
008 180718b1970 xxu||||| |||| 00| 0 eng d
082 _aX1068x42 Un3s
245 _aSurvey of professional engineers
_cby Ministry of Technology and the Council of Engineering, United Nations
260 _aLondon
_bHer Majesty's Stationery Office
_c1970
300 _a59+p.
700 _aUnited Nations.Ministry of Technology and the Council of Engineering
999 _c498723
_d498723