@book{1481,
	title = {World resources 1990-91 :},
	publisher = {Oxford Univ. Press},
	year = {1990. },
	address = {New York},
	url = {http://firstsearch.oclc.org/WebZ/DECRead?standardNoType=1&standardNo=0195062299&sessionid=0&srcdbname=worldcat&key=12c44232ec919883e1da7d5999ef3b63129274316cfadf846c27b4c415732cfd&ectype=M OREINFO}
}