@INBOOK {NG:1992c, title = {Micropropagation of white yam (Dioscorea rotundata Poir.)}, author = {Ng, S. Y. C. }, editor = {Bajaj, Y. P. S. }, year = {1992}, type = {Biotechnology in agriculture and forestry 19. High-tech. and micropropagation III}, pages = {135--159}, publisher = {Springer-Verlag}, address = {Berlin, Germany}, note = {RTB; Root and Tuber; Yam}, }