Republica Socialistă România, harta solurilor : scara 1:1.000.000 = République socialiste de Roumanie, carte des sols : échelle 1:1.000.000 /
Institutul Geologic (Romania)
București : Institutul Geologic,
1971.
Title in Romanian, French, and Russian. Accompanying text in Romanian and French back-to-back.
Series on cover of accompanying text: Atlas geologic 1:1.000.000 ; 11 = Atlas géologique 1:1.000.000 ; 11.
Soils