@book{98880,
	author = {EUROPEAN MONITORING CENTRE FOR DRUGS AND DRUG ADDICTION},
	title = {EVALUATION: A KEY TOOL FOR IMPROVING DRUG PREVENTION. PAPERS FROM THE SECOND EUROPEAN CONFERENCE ON THE EVALUATION OF DRUG PREVENTION. STRASBOURG, 2-4 DECEMBER 1999},
	publisher = {OFFICE FOR OFFICIAL PUBLICATIONS OF THE EUROPEAN COMMUNITIES},
	year = {2000},
	address = {LUXEMBURGO}
}