Szakáll Sándor; Papucs A.; Jánosi Cs.; Kristály Ferenc; Pál Molnár Elemér: Postmagmatic alacranite (?) from the Ciomadu Area, South Harghita, Romania. In: Acta mineralogica-petrographica, (5). p. 114. (2006)
Papucs A.: Arsenic containing minerals in the Hankó Valley (Covasna, Romania) : historical background - Dawsonite : a new mineral for Romania. In: Acta mineralogica-petrographica, (41). p. 86. (2000)