Abdyukova G. M. Ecology problems of use of chemical reagents in oil and gas industry / G. M. Abdyukova, R. G. Guilimkhanov, G. S. Rashitova // Fundamental and applied problems of environmental protection. Vol. 2 : International conference, September, 12-16, 1995, Tomsk : abstracts. Tomsk, 1995. Vol. 2 : Bioecology. P. 152