00345nam a2200133 i 4500001000300000100002000003245007200023260001700095700002200112700002000134040000800154041000800162008004100170bg1 aSAMSONOV, G. V. 0aKarbidy vol'frama /cG.V. Samsonov, V.K. Vitrianjuk, F.J. Caplygin.  aKiev,c1974.1 aVITRJANJUK, V. K.1 aCAPLYGIN, F. J.  cBPK  apol      s        pl     f     |000 0 pol