Kovalev, A. Et Al. Composition and Abundance of Zooplankton of the Eastern Mediterranean Sea. 1999. In The Eastern Mediterranean As A Laboratory Basin For The Assessment Of Contrasting Ecosystems NATO Science Series 2 Environmental Security , KLUWER ACADEMIC PUBLISHERS PRINTED IN THE NETHERLANDS, Dordrecht, 81-95.

Kovalev, A., Kideyş, A. E., Pavlova, E., Shmeleva, A., Skryabin, V., Ostrovskaya, N., ... Uysal, Z.(1999). Composition and Abundance of Zooplankton of the Eastern Mediterranean Sea. The Eastern Mediterranean As A Laboratory Basin For The Assessment Of Contrasting Ecosystems NATO Science Series 2 Environmental Security (pp.81-95), Dordrecht: KLUWER ACADEMIC PUBLISHERS PRINTED IN THE NETHERLANDS.

Kovalev, Av Et Al. "Composition and Abundance of Zooplankton of the Eastern Mediterranean Sea." In The Eastern Mediterranean As A Laboratory Basin For The Assessment Of Contrasting Ecosystems NATO Science Series 2 Environmental Security , 81-95. Dordrecht: KLUWER ACADEMIC PUBLISHERS PRINTED IN THE NETHERLANDS, 1999

Kovalev, Av Et Al. "Composition and Abundance of Zooplankton of the Eastern Mediterranean Sea." The Eastern Mediterranean As A Laboratory Basin For The Assessment Of Contrasting Ecosystems NATO Science Series 2 Environmental Security , KLUWER ACADEMIC PUBLISHERS PRINTED IN THE NETHERLANDS, 1999, pp.81-95.

Kovalev, A. Et Al. (1999) "Composition and Abundance of Zooplankton of the Eastern Mediterranean Sea", The Eastern Mediterranean As A Laboratory Basin For The Assessment Of Contrasting Ecosystems NATO Science Series 2 Environmental Security . Dordrecht: KLUWER ACADEMIC PUBLISHERS PRINTED IN THE NETHERLANDS.

@bookchapter{bookchapter, author ={Av Kovalev Et Al. }, chaptertitle={Composition and Abundance of Zooplankton of the Eastern Mediterranean Sea}, booktitle={ The Eastern Mediterranean As A Laboratory Basin For The Assessment Of Contrasting Ecosystems NATO Science Series 2 Environmental Security}, publisher={KLUWER ACADEMIC PUBLISHERS PRINTED IN THE NETHERLANDS}, city={Dordrecht},year={1999} }