Degens, E.T.; Wong, H.K.; Kempe, S.; Kurtman, F. (June 1984), "A geological study of Lake Van, eastern Turkey", International Journal of Earth Sciences, 73 (2), Springer: 701–734, Bibcode:1984GeoRu..73..701D, doi:10.1007/BF01824978, S2CID128628465
Degens, E.T.; Wong, H.K.; Kempe, S.; Kurtman, F. (June 1984), "A geological study of Lake Van, eastern Turkey", International Journal of Earth Sciences, 73 (2), Springer: 701–734, Bibcode:1984GeoRu..73..701D, doi:10.1007/BF01824978, S2CID128628465
Degens, E.T.; Wong, H.K.; Kempe, S.; Kurtman, F. (June 1984), "A geological study of Lake Van, eastern Turkey", International Journal of Earth Sciences, 73 (2), Springer: 701–734, Bibcode:1984GeoRu..73..701D, doi:10.1007/BF01824978, S2CID128628465