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