@book{91733,
	author = {Ken, Darrow.},
	title = {Appropriate technology source book},
	publisher = {VITA},
	year = {1981},
	series = {A volunteers in Asia Publication, CONTENTS:-v.1. For tools and techniques that use local skills, local resources and renewable sources of energy. 2.A guide to practical books and plans for village and small community technology.},
	address = {Maryland}
}