Naš krš vol. xii, nr. 20
Naš krš vol. xii, nr. 20Juni 1986
Michel Bakalowicz : The reason for degradation of prehistorical works in the cave Niaux (Pyrénées, France), 5-8
Michel Bakalowicz : The reason for degradation of prehistorical works in the cave Niaux (Pyrénées, France), 5-8