Wood, Stanley <br/><br/>
Agroecological aspects of evaluating agricultural R&D / 
Stanley Wood, Philip G. Pardey 
 - Washington,D.C. :  International Food Policy Research Institute,  1995 
 - 13-41 p. :  ill. ;  23 cm. 
 - International Food Policy Research Institute;  reprint no. 387 .
<br/><br/> 'Reprinted from Agricultural Systems, vol. 57, no. 1, 1998' - cover 
<br/><br/>Refrences: p. 40-41