Michael Anenburg и др. The origin of celestine–quartz–calcite geodes associated with a basaltic dyke, Makhtesh Ramon, Israel // Geological Magazine 151 (5). 2014. DOI:10.1017/S0016756813000800. с. 798–815.
Stein, A.B., Athreya, V., Gerngross, P., Balme, G., Henschel, P., Karanth, U., Miquelle, D., Rostro-Garcia, S., Kamler, J.F., Laguardia, A., Khorozyan, I. & Ghoddousi, A. 2020. Panthera pardus (amended version of 2019 assessment). The IUCN Red List of Threatened Species 2020: e.T15954A163991139. DOI:10.2305/IUCN.UK.2020-1.RLTS.T15954A163991139.en. Accessed on 25 March 2023.
