?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=G+V&rft.au=Subbarao%2C+G+V&rft.aulast=Subbarao&rft.isbn=978-0-8247-0546-6&rft.date=2002&rft.title=Transpiration+efficiency+%3A+avenues+for+genetic+improvement.&rft.btitle=Handbook+of+Plant+and+Crop+Physiology&rft.genre=bookitem