Reference
Uros Herlec, Zmago Zorz, Davorin Preisinger, Gernot Wiessensteiner (2006): Polimetalni rudni pojavi pod Stegovnikom, Rusem, Fevcem in Virnikovim Grintavcem. – Scopolia, Journal of the Slovenian Museum of Natural History, Ljubljana – Suppl_3: 116 - 118.