For citations:

Avdonin V.V., Zhegallo E.A., Sergeeva N.E. Microstructure of ferromanganese stromatolites and oncolites of the ocean bottom. Proceedings of higher educational establishments. Geology and Exploration. 2016;(2):27-32. (In Russ.) https://doi.org/10.32454/0016-7762-2016-2-27-32