

@booklet {10481,
	title = {{Environmental quality standards regarding water pollution No. 59, amended by Environment Agency Notification No. 63 of 1974, no. 3 of 1975, No. 41 of 1982, No. 140 of 1982, No. 29 of 1985 and No. 1 of 1986}},
	year = {1986}
}
