@BOOK{ Book!D - 94489199,
AUTHOR = "/ Robert K.M. Hay and Andrew J. Walker",
TITLE = "An introduction to the physiology of crop yield",
LIBRARY= "کتابخانه مرکزی دانشگاه ایلام",
SUBJECT = "Crops- Physiology,Crop yields",
URL = "/book/94489199/An-introduction-to-the-physiology-of-crop-yield/"}