00000nam a2200000 a 4500 Calafat, Amador aut Verfasser/-in Bohrn, Karl aut Verfasser/-in Juan, Montserrat aut Verfasser/-in Substanzen Europa Drogen Night life in Europe and recreative drug use. SONAR 98 Amador Calafat ; Karl Bohrn ; Montserrat Juan Palma de Mallorca IREFREA Espana 1998 eng IREFREA