monsanto. Investigation and preparation of polymer films to improve the
. separation of water and salts in saline water conversion. U.S. Dept. of
. Interior, Office of Saline Water. R & D Progress Report No. 69, Dec.
. 1962, PP. 41--42.
. Merten et al. Research and Development on Reverse Osmosis Membrane
. Modules. U.S. Dept. of Interior, Office of Saline Water, R & D Progress
. Report No. 165, Jan. 1966, pp. 1--3.
. Francis et al. Second Report on Fabrication and Evaluation of New
. Ultrathin Reverse Osmosis Membranes. U.S. Dept. of Interior, Office of
. Saline Water, R & D Progress Report No. 247, April 1947, pp. 46--47.. |