C. S. D. R. Preller
- The Zurich Water Supply Power and Electric Works. Part III. the Power Supply and Electric Works. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 112, n. 1893-2 ( 1893). (1893):
- The Zurich Water-Supply, Power and Electric Works. Part I: the Zurich Waterworks; Part II: Purification of Water at Zurich. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 111, n. 1893-1 ( 1893). (1893):