000 00344nam a22001457a 4500
020 _a0333242068
082 _a609.172 4 DUN
100 _aDunn,P.
245 _aAppropriative Technology
260 _aLondon
_bGeorge Mcrobie
300 _aix,220p.
_bill,;20cm
500 _aincludes; index
650 _aAppropriative Technology
942 _cBK
999 _c17970
_d17970