• Critical loads of acidity to lakes in the Polish Tatra Mountains. Final report 

      Lydersen, E.; Rzychon, D.; Worsztynowitcz, A.; Tørseth, T.; Hanssen, J.E.; Mill, W.A.; Wathne, B. (NIVA-rapport;3579, Research report, 1996)
      Major chemical compounds in precipitation and runoff have been intensively followed in two Polish, Tatra Mountain lakes (Dlugi Staw and Zielony Staw) since January 1993, to assess the degree of impact of acid precipitation. ...