@book{639883,
	author = {United Nations. Economic and Social Commission for Asiand the Pacific and United Nations. Economic and Social Commission for Asiand the Pacific},
	title = {National power grids and extra-high-voltage system},
	publisher = {United Nations USA       },
	year = {1975},
	series = {United Nations, Energy Resources Development series, 14.},
	address = {New York},
	note = {Sales No >: E.75.11.F.13}
}