REFERENCES
- Sasaki , T. , Maki , H. , Ishihara , M. and Harayama , S. 1998 . Vanadium as an internal marker to evaluate microbial degradation of crude oil . Environ. Sci. Technol. , 32 : 3618 – 3621 .
- 1999 . FOCUS Assessment Mission 2 to FRY . Ecology, Executive Summary and Final Report . 1999 , Bern.
- 1999 . UNEP/UNCHS Balkan Task Force . Technical Industrial Sites Mission Report . 1999 , Geneva. Analytical Laboratory Results from the German Federal Environmental Agency and Branderburg State Office for Environment ,
- 1999 . UNEP/UNCHS The Kosovo Conflict . Consequences for the Environment & Human Settlements . 1999 , Geneva.
- Chon , H. T. , Ahn , J. and Jung , M. 1998 . Seasonal variations and chemical forms of heavy metals in soil and dust from the satellites cities of Soul . Korea. Environ. Geochem. Health , 20 : 77 – 86 .
- Bouyoukos , G. J. 1962 . Hydrometer method improved for making particle size analyses of soils . Agronomy Journal , 54 : 464 – 465 .
- Bogdanović , M. , Velikonja , N. and Racz , Z. 1966 . Handbook for soil investigation Belgrade : Yugoslav Society for Soil Investigation . (In Serbian)
- Škrbić , B. , Miljević , N. , Milonjić , S. and Onjia , A. 2000 . Mobility of contaminations originating from bombing of an oil refinery in Serbia . Proceeding of papers of 5th International Conference on Protection and Restoration of the Environment . July 2000 , Thassos, Greece. pp. 99 – 106 .
- Boumans , P. W.J.M. 1987 . Inductively coupled plasma emission spectroscopy, Part II: Applications and Fundamentals N.Y. : John Wiley & Sons .
- Lorenz , R. , Hamon , P. , Domingues , H. , Sequeria , E. , Christensen , T. and McGrath , S. 1997 . Cadmium and zinc in plants and soil solutions from contaminated soils . Plant Soil , 189 : 21 – 25 .
- Bojinova , P. , Georgiev , B. , Kabakchiev , I. , Krasteva , V. , Stanislavova , L. , Tchuldjian , H. , Welp , G. and Brummer , G. 1996 . Harmonization of the Methods for the Investigation of Heavy Metal Pollution of Soils and the Standardization of the Assessment Criteria for Soil Protection , Report No. UBA-FB 96-071 Edited by: Terytze , K. Bonn : N. Poushkarov Institute of Soil Science and Agroecology, Sofia and Institute fur Bodenkunde .
- Ubavić , M. , Bogdanović , D. , Dozet , D. , Govedarica , M. , Jarak , M. and Milošević , N. 1993 . Content of Cd, Pb, Hg and As and their effect on the microbiological activity of the soils of the Vojvodina Province . Contemporary Agriculture , 4 : 281 – 282 . (In Serbian)
- Ubavić , M. , Bogdanović , D. , Dozet , D. , Govedarica , M. , Jarak , M. and Milošević , N. 1993 . Content of B, Cu and Zn in the soils of the Vojvodina Province and their effect of the number and enzymatic activity of microorganisms . Contemporary Agriculture , 4 : 283 – 284 . (In Serbian)