1.  WATERS SAMPLING OF WASTE WATERS.

          Authors: ADRIAN MARIUS HAIDUC, ANCA GABRIELA HAIDUC, IOVANCA HAIDUC.

2.  THE USE OF ORGANODITHIOPHOSPHORIC ACIDS FOR SEPARATION AND DETERMINATION OF SOME METAL IONS FROM RESIDUAL WATERS.

          Authors: MARIA-LOREDANA SORAN, MARIA CURTUI, IOVANCA HAIDUC, DIANA GHERMAN.

3.  DIURNAL AND SEASONAL VARIATION OF CO2 IN URBAN AREAS FROM CLUJ COUNTY.

          Authors: M.S. BELDEAN-GALEA, IOVANCA HAIDUC, C. ROBA.

4.  THE VARIATION OF CH4 IN THE URBAN AREAS FROM CLUJ COUNTY.

          Authors: S. CUNA, S.M. BELDEAN GALEA, IOVANCA HAIDUC, G. CRISTEA.

5.  URBAN AEROSOL POLLUTION. STUDY CASE: CLUJ-NAPOCA, ROMANIA.

          Authors: LAURENTIA FECHETE-RADU, IOVANCA HAIDUC.

6.  PARTICULATE MATTER, HEAVY METALS AIR POLLUTION AND INTENSITY OF THE URBAN TRAFFIC. STUDY CASE - CLUJ-NAPOCA CITY.

          Authors: ILDIKO VARGA, CARMEN ROBA, IOVANCA HAIDUC.