Current cave monitoring practices, their variation and recommendations for future improvement in Europe: A synopsis from the 6th EuroSpeleo Protection Symposium
Alexander Weigand, Szilárd‐Lehel Bücs, Stanimira Deleva, Lada Lukić‐Bilela et autres
lu, bg, cr, ba, de, si, hu, ge, fr, cz, hr, dk, be, gb, us, ro, lv, rs (code pays fourni par la source)