Authors: Roponen, Ilma & Kreula, Matti
Journal: Karstenia, Volume 18 (1978), Issue 18 (suppl.), pages 58-63.
Doi: https://doi.org/10.29203/ka.1978.160
Full text: PDF
Authors: Roponen, Ilma & Kreula, Matti
Journal: Karstenia, Volume 18 (1978), Issue 18 (suppl.), pages 58-63.
Doi: https://doi.org/10.29203/ka.1978.160
Full text: PDF