info:oai:icrisat:3263info:ofi/fmt:xml:xsd:bookSubbaraoG VSubbarao, G VJohansenCJohansen, CNageswara RaoR CNageswara Rao, R CWrightG CWright, G C978-0-8247-0546-62002Transpiration efficiency : avenues for genetic improvement.Handbook of Plant and Crop Physiologybookitem