00361nam a2200121Ia 450000500170000000800410001702000220005805000160008010000230009624500560011926000370017565000270021220251229172451.0251229s9999    xx            000 0 und d  a978-0-12-335185-2  aT 49.5 .F54  aHazeltine,B. (ed.) 0aField guide to appropriate technologyced Hazeltine  aArsterdamb Academic Pressc2003  aAppropriate Technology