Price, Len Understanding hydrolats: the specific hydrosols for aromatherapy: a guide for health professionals Len Price, Shirley Price ; foreword by Katja Svoboda - Edinburgh Churchill Livingstone 2004 - xiii, 294 p. : ill. ; 24 cm Includes bibliographical references and index ISBN: 443073163 Subjects--Topical Terms: Plant Extracts Dewey Class. No.: 615.3219 PRI