@book {,
	title = {Caravans of the Himalaya},
	year = {1994},
	note = {Eric Valli and Diane Summers ; illustrations, Tenzing Norbu.ill. (some col.), col. map ; 32 cm.Includes index.},
	pages = {239},
	publisher = {National Geographic Society},
	organization = {National Geographic Society},
	address = {Washington, D.C.},
	keywords = {Dolp*a (Nepal) Social life and customs., Tibetans Nepal Dolp*a.},
	isbn = {079222793X},
	author = {Valli, Eric and Summers, Diane}
}