Ecosystems approach to water-level regulation : the Oulujoki River system, northern Finland : case study / transmitted by the Government of Finland ; prepared by E. Alasaarela, K. Kaatra, M. Marttunen and J. Muotka.
1990
Details
Symbol[E/ECE/]ENVWA/SEM.5/R.10
TitleEcosystems approach to water-level regulation : the Oulujoki River system, northern Finland : case study / transmitted by the Government of Finland ; prepared by E. Alasaarela, K. Kaatra, M. Marttunen and J. Muotka.
DateGeneva : UN, 20 Sept. 1990.
Description
12 p. : map