00371nam a2200121Ia 4500008004100000082001100041100001800052245006600070260005500136300001500191600001700206650002600223140224s9999    xx            000 0 und d  a608 M5  aCarr, Marilyn  aThe AT Reader; theory and practice in appropriate technology/  aLondonbIntermediate Technology Publicationsc1985  axvii,468p.  aMarilyn Carr  aTechnology-guide book