Ecosystems of tengiz depression`s south : Abstract of thesis for the academic degree of Doctor of Philosophy (PhD) in the specialty / Becyv, Albert ... – Astana : [N. p.], 2010. - 25 p. . – Bibiliogr.: 23 p. . – 100 c. – не указан : [N. p.]
Experimental investigation of ecological situation of the KOSHKAR-ATA tailing dump and its adjacent territories : abstract of the dissertation submitted for the academic degree of PhD / Nurmukhanbetova, Aliya K. ... – Astana : [N. p.], 2010. - 24 p. . – Bibliogr.: 20-22 p. . – 100 c. – не указан : [N. p.]