@book{81563,
	author = {Ceylon.},
	title = {Ceylon customs tariff, June 1949, amended up to May 31, 1949.},
	publisher = {Printed at the Ceylon Govt. Press; to be purchased at the Govt. Publications Bureau or H.M. Customs},
	year = {[1948]},
	address = {[Colombo]},
	note = {"... A guide only, and has in itself no legal validity. Authority ... rests on the gazetted notices from which it is compiled ..."}
}