Speleogenesis of the "Buco dei Vinchi" inactive swallow hole (Monte Croara karst sub-area, Bologna, Italy), an outstanding example of antigravitative erosion (or "paragenesis") in selenitic gypsum
Speleogeneza fosilnega ponora "Buco dei Vinchi" (Monte Croara, Bolonja, Italija), kot izjemen primer parageneze v selenitu : an outline of the "post-antigravitative erosion"