The measure is necessary, but it should be correct Authors: Velichko EV1 Affiliations: Issue: No 10 (2008) Pages: 36-37 Section: Articles URL: https://journals.eco-vector.com/1019-8946/article/view/324826 ID: 324826 Cite item Full Text Open Access Access granted Subscription Access (Russian) Abstract About the authors References Supplementary files Statistics Abstract About the authors E V Velichko Supplementary files Supplementary Files Action 1. JATS XML Download