Republica Socialistă România, harta hidrogeologică : scara 1:1.000.000 = République socialiste de Roumanie, carte hydrogéologique : échelle 1:1.000.000 /
Institutul Geologic (Romania)
București : Comitetul de Stat al Geologiei, Institutul Geologic,
1969.
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 ; 10 = Atlas géologique 1:1.000.000 ; 10.
Hydrogeology
Groundwater