The International bibliography oncropping systems. - Ramos, Mila Medina; Capaya, Dionisia T.; International Rice Research Institute. Library and Documentation Center (Los Baänos, Laguna, Philippines (P.O. Box 933, Manila) Library and Documentation Center, International Rice Research Institute, 1984)
"Supplements and updates the International bibliography on Azolla published in 1979. It includes literature published between 1980 and 1983 and those produced earlier which were not included in the basic volume"--P. [iii]
Includes indexes.
Keywords: Azolla -- Bibliography