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Russia | |
| www.koeln.netsurf.de/~w.steffens/lovo.htm |
| Ivanyuk, G. Yu., Korchak, Yu. A., Pakhomovsky, Ya. A., Men’shikov, Yu. P., Yakovenchuk, V. N. (2012) Ulvöspinel from xenoliths of contact-altered volcanic and volcanosedimentary rocks in nepheline syenites of the Khibiny and Lovozero plutons. Geology of Ore Deposits, 54 (7) 575-579 doi:10.1134/s107570151108006x |