Limnologisch-fischereiliche Untersuchungen in den Kälarne-Seen /
Alm, Gunnar, n.1889.
Limnologisch-fischereiliche Untersuchungen in den Kälarne-Seen / Gunnar Alm. - Sweden : Institute of Freshwater Research, 1960. - 148 p. - Report ; n. 41 .
Limnologia--Kälarne (Suécia).
551.48
Limnologisch-fischereiliche Untersuchungen in den Kälarne-Seen / Gunnar Alm. - Sweden : Institute of Freshwater Research, 1960. - 148 p. - Report ; n. 41 .
Limnologia--Kälarne (Suécia).
551.48