00476cam a2200157 a 4500020003600000040000800036082002600044100002200070245006900092260004200161300003500203650001600238650001600254650002600270700002200296  a0844739006 (cloth : alk. paper)  cDLC00a338 AEI 1996 A069 Or.1 aAlston, Julian M.10aMaking science pay :bthe economics of agricultural R&D policy /  aWashington, D.C. :bAEI Press,c1996.  axxiv, 375 p. :bill. ;c23 cm. 0aAgriculture 0aAgriculture 0aAgriculture and state1 aPardey, Philip G.