1. Standard Methods for the Examination of Water and Wastewater;APHA,1989
2. Influence of the initial surface condition of material on bioadhesion;Baier,1972
3. Bacterial adherence;Beachy;J. Infec. Dis.,1981
4. Etude fondamentale des biomasses fixées;Belkhadir,1986
5. Aerobic fixed-film processes;Bishop,1986