German standard methods for the examination of water, waste water and sludge - Physical and physico-chemical parameters (group C) - Part 10: Calculation of the calcit saturation of water (C 10)— 23 стр.
German standard methods for the examination of water, waste water and sludge - Physical and physico-chemical parameters (group C) - Part 10: Calculation of the calcit saturation of water (C 10)— 23 стр.