Valter, Karel Designer drugs directory Karel Valter and Philippe Arrizabalaga - Amsterdam Elsevier 1998 - 212 p. : ill. ; 25 cm Includes bibliographical references and indexes ISBN: 044420525X ISSN: 98031673 Subjects--Topical Terms: Designer drugs - Handbooks, manuals, etc Dewey Class. No.: 615.78 VAL