@book{90611,
	author = { YARON, Gil    and Tani Forbes Irving, Dr E.F. Schumacher, SRP Exeter},
	title = {Solar energy for rural communities : the case of Namibia },
	publisher = {Immediate Technology Publications in association with MRC, university of Namibia [Windhoek], },
	year = {1994.},
	address = {London : }
}