Binns, Ray A.; Davis, Richard J.; Reed, Stephen J. B. (7 March 1969). "Ringwoodite, Natural (Mg,Fe)2SiO4 Spinel in the Tenham Meteorite". Nature. 221 (5184): 943–944. Bibcode:1969Natur.221..943B. doi:10.1038/221943a0. S2CID4207095.
Binns, Ray A.; Davis, Richard J.; Reed, Stephen J. B. (7 March 1969). "Ringwoodite, Natural (Mg,Fe)2SiO4 Spinel in the Tenham Meteorite". Nature. 221 (5184): 943–944. Bibcode:1969Natur.221..943B. doi:10.1038/221943a0. S2CID4207095.
Binns, Ray A.; Davis, Richard J.; Reed, Stephen J. B. (7 March 1969). "Ringwoodite, Natural (Mg,Fe)2SiO4 Spinel in the Tenham Meteorite". Nature. 221 (5184): 943–944. Bibcode:1969Natur.221..943B. doi:10.1038/221943a0. S2CID4207095.