Are the primary and secondary ones outdated?

Conference Paper
DOI: 10.31483/r-155365
Open Access
All-Russian Scientific and Practical Conference «"The relevant problems of biological diversity"»
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All-Russian Scientific and Practical Conference «"The relevant problems of biological diversity"»
Authors:
Olga V. Ezhova 1 , Vladimir V. Malakhov 1
Work direction:
Актуальные вопросы систематики, морфологии и этологии позвоночных животных
Pages:
74-94
Received: 5 April 2026

Rating:
Article accesses:
66
1 Lomonosov Moscow State University
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