Ostroumov S.A. Anthropogenic effects on the biota: towards a new system of principles and criteria for analysis of ecological hazards. - Rivista di Biologia/Biology Forum. 2003. 96: 159-170.
text of the paper:
http://sites.google.com/site/ostroumovsergei/publications-1/rivista2003criteria
http://www.scribd.com/doc/52636721/3-System-of-Criteria;
https://docs.google.com/document/d/1uKg4VdlOEkBpWIphXTl4y4-4kd8kvyEQQGJFAzKE2g8/edit
https://docs.google.com/document/d/1Q6Co3e1CJkXdtoYp0a5DqNsRAGrQQqsgT-2MhwQASfA/edit