book «Levels of Nature Conservation» Полный текст книги сделан доступным бесплатно. Смотри: http://scipeople.ru/publication/106009/ А также: Yablokov A.V., Sergei A. Ostroumov Full text of this book (in Russian) is available online free: https://www.researchgate.net/publication/259894148_Levels_of_Nature_Conservation._Yablokov_A.V._Ostroumov_S.A._book_in_Russian_Urovni_okhrany_zhivoi_prirody?
Москва, Наука (Moscow, Nauka Press), 1985

First pages of a series of papers, in Springer journals, topics: ecology, environmental sciences, water science, environmental toxicology, ecotoxicology, protection of the environment

http://scipeople.com/publication/116802/ ; Series of papers in peer reviewed top scientific journals, topics: ecology, environmental sciences, water science, environmental toxicology, ecotoxicology, protection of the environment, biology, conservation; innovations, new facts, new concepts, discovery of new environmental hazards of chemical pollution of aquatic environment, especially by detergents and synthetic surfactants