000			00280nam a2200097 4500
245			_aAppropriate technology : technology with a human face. _cby P.D.Dunn.
100			_aDunn, P.D.
260			_aLondon. _bMacmillan. _cc1978
300			_aix,220p.: ill. ; 21 cm.
082			_a609.1724 _bDUN
999			_c42921 _d42921