2 treff

Regional'noe soobščestvo v period social'nych transformacij : Kol'skij Sever, načalo XXI veka : sbornik statej
redaktory: V.P. Petrov, I.A. Razumova = R...
Bok Russisk 2007
The important technological principles of silicalcite materials
V.P. Petrov, O.V. Kuntsevič
Bok Engelsk 1966