Martin, C.; Bentaleb, I.; Antoine, P. -O. (2011). "Pakistan mammal tooth stable isotopes show paleoclimatic and paleoenvironmental changes since the early Oligocene". Palaeogeography, Palaeoclimatology, Palaeoecology. 311 (1–2): 19–29. Bibcode:2011PPP...311...19M. doi:10.1016/j.palaeo.2011.07.010.
Martin, C.; Bentaleb, I.; Antoine, P. -O. (2011). "Pakistan mammal tooth stable isotopes show paleoclimatic and paleoenvironmental changes since the early Oligocene". Palaeogeography, Palaeoclimatology, Palaeoecology. 311 (1–2): 19–29. Bibcode:2011PPP...311...19M. doi:10.1016/j.palaeo.2011.07.010.