Published
              
  
  European procedures to river quality assessment
by 
      Naddeo V., Zarra T. and Belgiorno V.
by Park H.S.
by Kalabokas P.D., Viras L.G., Repapis C.C.
by Kalabokas P.D., Viras L.G., Repapis C.C.
by Tsiros I.X., Ambrose R.B., Chronopoulou-Sereli A.