Relative shielding properties of ammonium metatungstate for neutrons and gamma rays from  252 Cf.
D002142:Californium; D006859:Hydrogen; D009502:Neutrons; D010087:Oxides; D000644:Quaternary Ammonium Compounds; D011827:Radiation; D011835:Radiation Protection; D013051:Spectrometry, Gamma; D014414:Tungsten; D017973:Tungsten Compounds; D014867:Water
D010087:Oxides; D000644:Quaternary Ammonium Compounds; D017973:Tungsten Compounds; D014867:Water; C002233:ammonium metatungstate; D006859:Hydrogen; D002142:Californium; D014414:Tungsten