Robuta

https://rcin.org.pl/iop/dlibra/publication/147682/edition/182808 Benthic macroinvertebrates in the acidified headstreams of the Vistula River; Bezkregowce bentosowe... 24 cm ; ilustracje ; bibliografia na stronach 165-166 benthic macroinvertebrates vistula river acidified headstreams