1
Published: 1967
Superior document: Secondary productivity of terrestrial ecosystems (principles and methods) ; [proceedings of working meeting held in Jabłonna, 31.8. - 6.9.1966] 2
2
3
Published: 1967
Superior document: Secondary productivity of terrestrial ecosystems (principles and methods) ; [proceedings of working meeting held in Jabłonna, 31.8. - 6.9.1966] 1