The Pesticide Conspiracy(Updated) by VanDenBosch, Robert Paperback, 226 Pages, Published 1989 by University Of California Press ISBN-13: 978-0-520-06823-0, ISBN: 0-520-06823-8
Biological control(1st Edition) (Intext series in ecology) by P. S. Messenger Paperback, 180 Pages, Published 1973 by Intext Educational Publishers ISBN-13: 978-0-7002-2441-8, ISBN: 0-7002-2441-6
Biological control (Intext series in ecology) by P. S. Messenger 180 Pages, Published 1973 by Intext Educational Publishers ISBN-13: 978-0-7002-2433-3, ISBN: 0-7002-2433-5
Schizofrenie subjectieve ervaringen & cognitief onderzoek. by BOSCH, ROBERTJ. VANDEN. Published 1993 by Bohn Stafleu Van Loghum ISBN-13: 978-90-313-1587-1, ISBN: 90-313-1587-7