TY - GEN AU - Rottendorf,H. ED - Commonwealth Scientific and Industrial Research Organization. TI - The use of carbonaceous filter aids in the filtration of water in swimming pools T2 - Investigation report SN - 0643017410 PY - 1977/// CY - North Ryde, N.S.W. PB - CSIRO, Division of Process Technology KW - Dry-cleaning machines KW - Filters and filtration ER -