Temporal variability of disinfection by-products concentration in urban public water system by Siddique A., Saied S., Zaigham N.A., Mumtaz M., Ali Mahar G. and Mohiuddin S.
Overview of the Temporal Variation of PM10 Mass Concentrations in the two Major Cities in Greece: Athens and Thessaloniki by Triantafyllou E. and Biskos G.