Al-Malabeh, A., Kempe, S., Henschel, H.-V., Hofmann, H. and Tobschall, H.J. 2008. The Possibly Hypogene Karstic Iron Ore Deposit of Warda Near Ajloun (Northern Jordan), its Mineralogy, Geochemistry and Historic Mine. Acta Carsologica. 37, 2-3 (Dec. 2008). DOI:https://doi.org/10.3986/ac.v37i2-3.149.