El Goresy, Ahmed; Chen, Ming; Gillet, Philippe; Dubrovinsky, Leonid; Graup, GüNther; Ahuja, Rajeev (2001). "A natural shock-induced dense polymorph of rutile with α-PbO2 structure in the suevite from the Ries crater in Germany". Earth and Planetary Science Letters. 192 (4): 485. Bibcode:2001E&PSL.192..485E. doi:10.1016/S0012-821X(01)00480-0
Nishio-Hamane D.; Shimizu A.; Nakahira R.; Niwa K.; Sano-Furukawa A.; Okada T.; Yagi T.; Kikegawa T. (2010). "The stability and equation of state for the cotunnite phase of TiO2 up to 70 GPa". Phys. Chem. Minerals. 37 (3): 129–136. Bibcode:2010PCM....37..129N.doi:10.1007/s00269-009-0316-0. S2CID 95463163
El Goresy, Ahmed; Chen, Ming; Gillet, Philippe; Dubrovinsky, Leonid; Graup, GüNther; Ahuja, Rajeev (2001). "A natural shock-induced dense polymorph of rutile with α-PbO2 structure in the suevite from the Ries crater in Germany". Earth and Planetary Science Letters. 192 (4): 485. Bibcode:2001E&PSL.192..485E. doi:10.1016/S0012-821X(01)00480-0
Nishio-Hamane D.; Shimizu A.; Nakahira R.; Niwa K.; Sano-Furukawa A.; Okada T.; Yagi T.; Kikegawa T. (2010). "The stability and equation of state for the cotunnite phase of TiO2 up to 70 GPa". Phys. Chem. Minerals. 37 (3): 129–136. Bibcode:2010PCM....37..129N.doi:10.1007/s00269-009-0316-0. S2CID 95463163
Nishio-Hamane D.; Shimizu A.; Nakahira R.; Niwa K.; Sano-Furukawa A.; Okada T.; Yagi T.; Kikegawa T. (2010). "The stability and equation of state for the cotunnite phase of TiO2 up to 70 GPa". Phys. Chem. Minerals. 37 (3): 129–136. Bibcode:2010PCM....37..129N.doi:10.1007/s00269-009-0316-0. S2CID 95463163