@BOOK {EKANAYAKE:1998e, title = {Screening for abiotic stress resistance in root and tuber crops: IITA research guide, No. 68}, author = {Ekanayake, I. J. }, series = {IITA research guide, No. 68}, year = {1998}, month = {September}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-145-2}, note = {RTB; Root and Tuber.; 46p.}, }