000 011520000a22002770004500
008 110831t xxu||||| |||| 00| 0 eng d
040 _cVAD
041 _aEngels
110 _aEuropean Monitoring Centre for Drugs and Drug Addiction [EMCDDA]
245 _aCo-ordination of an Expert Working Group to develop instruments and guidelines to improve quality and comparability of general population surveys on drugs in the EU : follow up of EMCDDA project CT.96.EP.08 : technical annexes [PDF]
260 _aLisboa
_bEMCDDA
_c1999
300 _a141 p.
650 _abevolkingsonderzoek
650 _adataverzameling
650 _adrugs
650 _aenquĂȘtes
650 _aepidemiologie
650 _aEuropa
650 _aEuropese Unie
650 _aonderzoeksmethoden
650 _aonderzoeksrapporten
650 _arichtlijnen
650 _avragenlijsten
710 _aAmsterdams Bureau voor Onderzoek en Statistiek
856 _uhttp://www.google.be/search?q=Co-ordination-of-an-Expert-Working-Group-to-develop-instruments-and-guidelines-to-improve-quality-and-comparability-of-general-population-surveys-on-drugs-in-the-EU-follow-up
999 _c8152
_d8152