Download available AnyYesNo Year ISBN Keywords Paper/Article Title DOI Volume Part Author Conference Title Publication MONITORING OF SAND FILTERS FOR WATER TREATMENT USING A NOVEL ULTRASONIC IMAGING INSTRUMENT Authors DG SIMONS , G KOOLSTRA , N ALLOUCHE , G HERMANS , P KEIJZER , LC RIETVELD Conference 11th European Conference on Underwater Acoustics (ECUA) 2012 Download dg_simons_g_koolstra_n_allouche_g_hermans_p_keijze...