Grad, K.; Dozet, S.; Petrica, R.; Rijavec, L. Pseudosocka Beds With Coal in Borehole Tdp-1 84 Trobni Dol (Eastern Sava Folds, Slovenia). geologija 1996, 39 (1), 97-118. https://doi.org/10.5474/geologija.1996.004.