Redkie metally : proshloe, nasto︠i︡ashchee, budushchee

समान संसाधन

• Redkie metally i splavy : trudy pervogo Vseso︠i︡uznogo soveshchani︠i︡a po splavam redkikh metallov, 18-20 no︠i︡abr︠i︡a 1957 g.
  प्रकाशित: (1960)
• Ėkonomicheskie ocherki po redkim zeml︠i︡am
  द्वारा: Kogan, B. I. (Boris Iosifovich)
  प्रकाशित: (1961)
• Redkozemelʹnye metally i splavy
  प्रकाशित: (1971)
• Redkie zemli v katalize
  प्रकाशित: (1972)
• Redkie metally : sosto︠i︡anie i perspektivy
  द्वारा: Kogan, B. I. (Boris Iosifovich)
  प्रकाशित: (1979)