@book {20593,
	title = {1990 IUCN Red List of threatened animals},
	year = {1990},
	month = {1990},
	pages = {192},
	publisher = {IUCN},
	organization = {IUCN},
	address = {Gland, Switzerland \& Cambridge, U.K.},
	keywords = {CONSERVATION, EXTINCTION, SPHINGIDAE},
	author = {World Conservation Monitoring, Centre}
}
