1. Erich Bieske . 1961 . Well screen and filter media in bore holes . Stockstadt am Rhein J. F. Nold and co., Tech. Rep. no. 11, 4 pp.
2. Erich Bieske . 1962 . Particle size selection for gravel packs in bore holes. Stockstadt am Rhein, J. F. Nold and Co., Tech. Rep. no. 16, 4 pp.
3. Cook Well Strainer Co . Technical bulletins. Cincinnati, Ohio 45211, U.S.A., The Co.