Prin Pesterile Lumii: Din Jurnalul Unui Speolog Român

Bucuresti: "Sport-Turism", 1979. Octavo in illus DJ; 175 p., [16] leaves of plates: ill.; 22 cm. Very Good++ in same DJ. Hardcover.

Uncommon / Text in Romanian // Speleologists -- Biography. Cave ecology; speleology; caving; spelunking; Geology; Eastern Europe