RECORD OF ENVIRONMENTAL CHANGES DURING THE HOLOCENE IN THE LIGHT OF MALACOLOGICAL STUDIES OF RIVER SEDIMENTS IN THE ŁAPSZANKA STREAM VALLEY (SPISZ AREA, CARPATHIANS, SOUTHERN POLAND)
Witold Paweł ALEXANDROWICZ
AGH University of Krakow, Faculty of Geology, Geophysics and Environment Protection, Chair of General Geology and Geotourism, Mickiewicza 30, 30-059 Kraków, Poland; e-mail: wpalex@agh.edu.pl