Ponta, Georges
New tracing experiences with in-edta in the vascau karstic plateau codru Moma Mountains (Romania)
Atti e Memorie della Commissione Grotte Eugenio Boegan, vol. xxv (1986) carte
New tracing experiences with in-edta in the vascau karstic plateau codru Moma Mountains (Romania)
Atti e Memorie della Commissione Grotte Eugenio Boegan, vol. xxv (1986) carte