“Trepel – A Peculiar Sedimentary Rock of Biogenetic Origin from the Suvodol Village, Bitola, R. Macedonia”, GeolMac, vol. 25, no. 1, pp. pp.67–72, Apr. 2013, Accessed: Nov. 04, 2025. [Online]. Available: https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/274