000 00314nam a2200109Ia 4500
001 MPKV111755
008 120911s9999 xx 000 0 und d
082 _a631.3
245 _aAppropriate Technology Vol.18 Part No.1-6
_c;
246 _aAppropriate Technology
260 _aLondon
_bIntermediate Technology Publ.
_c1989
999 _c75052
_d75052