Materialy VI Soveshchaniia "Vid i ego produktivnost v areale": Programma IUNESKO "Chelovek i biosfera" 
Subtitle: Sankt-Peterburg, 23-26 noiabria 1993 g
Publisher: Gidrometeoizdat
Published: 1993
Language: rus
Format: Unknown Binding
Number of pages: 387
ISBN-13: 9785286011360