Sapp (2002. december 7.). „Symbiogenesis, the hidden face of Constantin Merezhkowski”. History and Philosophy of the Life Sciences24 (3–4), 412–440. o. DOI:10.1080/03919710210001714493. PMID15045832.
Kowallik (2021. december 7.). „The origin of symbiogenesis: An annotated English translation of Mereschkowsky's 1910 paper on the theory of two plasma lineages” (angol nyelven). Biosystems199, 104281. o. DOI:10.1016/j.biosystems.2020.104281. ISSN0303-2647. PMID33279568.
Sapp (2002. december 7.). „Symbiogenesis, the hidden face of Constantin Merezhkowski”. History and Philosophy of the Life Sciences24 (3–4), 412–440. o. DOI:10.1080/03919710210001714493. PMID15045832.
Kowallik (2021. december 7.). „The origin of symbiogenesis: An annotated English translation of Mereschkowsky's 1910 paper on the theory of two plasma lineages” (angol nyelven). Biosystems199, 104281. o. DOI:10.1016/j.biosystems.2020.104281. ISSN0303-2647. PMID33279568.
Kowallik (2021. december 7.). „The origin of symbiogenesis: An annotated English translation of Mereschkowsky's 1910 paper on the theory of two plasma lineages” (angol nyelven). Biosystems199, 104281. o. DOI:10.1016/j.biosystems.2020.104281. ISSN0303-2647. PMID33279568.