https://micro.depo.msu.ru/open/public/en/item/45267527
0000000601322, Y-5388, Mrakia robertii
https://research.wur.nl/en/publications/abnormal-concentrations-of-cu-co-in-haumaniastrum-katangense-haum/fingerprints/
Abnormal concentrations of Cu-Co in: Haumaniastrum katangense, Haumaniastrum robertii and...
abnormalconcentrationscu
https://micro.depo.msu.ru/open/public/item/45278933
0000000601940, Y-5890, Mrakia robertii