Vietnam and IRRI : a partnership in rice research : proceedings of a conference held in Hanoi, Vietnam, 4-7 May 1994 / Partnership in rice research Denning, G. L. V�o, T�ong Xu�an. International Rice Research Institute. Vietnam. Rice Rice 633 INT 1995 Manila, Philippines : International Rice Research Institute ; [Hanoi], Vietnam : Ministry of Agriculture and Food Industry, 1995. 1995. Text xiv, 353 p. :