1. SECONDARY SULFATES FOUND IN AN OLD ADIT FROM ROŞIA MONTANĂ, ROMANIA. Authors: BOGDAN P. ONAC, DANIEL Ş. VEREŞ, JOE KEARNS, MIRONA I. CHIRIENCO, ADRIAN MINUĊ˘, RADU C. BREBAN.2. GYPSUM DEPOSITS IN CENTRAL ITALY CAVES: SPELEOGENETIC CONSIDERATIONS. Authors: BOGDAN P. ONAC, MIRONA I. CHIRIENCO, MARCO MENICHETTI, SIMON BOTTRELL.