Bestsennoe bogatstvo
Subtitle: rasskaz o rekakh i ozerakh Leningradskoi oblasti : [avtory]: L. Il'ina, A. Grakhov.
Contributors: Grakhov, Aleksandr Nikolaevich.
Series: Reki i ozera nashei Rodiny
Publisher: Gidrometeoizdat
Published: 1978
Place of publication: Leningrad
Language: rus