Text ( visual ) : unmediated Economics of agro-chemicals : an international overview of use patterns, technical and institutional determinants, policies and perspectives : selected papers of the Symposium of the International Association of Agricultural Economists held at Wageningen, The Netherlands, 24-8 April 1996 / edited by G.A.A. Wossink, G.C. van Kooten, and G.H. Peters. -- : hard. -- Aldershot : Ashgate , c1998. -- xx, 386 p. : ill. ; 23 cm. -- Includes bibliographical references and indexes. -- ISBN 1840140844 ; (BA38210145) ; https://ci.nii.ac.jp/ncid/BA38210145 Author Heading(s): Symposium of the International Association of Agricultural Economists ; Wossink, G. A. A. ; Van Kooten, G. C. (Gerrit C.) ; Peters, G. H.. -- Classification(s): LCC : S585 ; DC21 : 338.1/62. -- Subject Heading(s): LCSH : Agricultural chemicals -- Congresses ; LCSH : Agricultural chemicals -- Economic aspects -- Congresses ; LCSH : Agricultural chemicals industry -- Government policy -- Congresses