Date of birth	1964
Field of Activity	hydrobiologia
Identifiers	0000000112803167 (isni) http://urn.fi/URN:NBN:fi:au:finaf:000082909 (finaf)
Sources	Seasonal succession and long-term changes of mesozooplankton in the northern Baltic Sea, 1994: t.p. (Markku Viitasalo)