Relevant chemistry / Gerhard Banik -- Properties of water / Gerhard Banik -- Distinction of water: acids and bases / Gerhard Banik -- Structure and properties of dry and wet paper / Irene Brückle -- Effect of pulp processing on paper-water interactions / Irene Brückle -- Effect of sizing on paper-water interactions / Gerhard Banik, Irene Brückle, Reinhard Lacher and Günther Wegele -- Paper drying in the manufacturing process / S. Steven Keller -- Paper ageing and the influence of water / Paul M. Whitmore -- Characterisation of paper / Ute Henniges and Antje Potthast -- The introduction of water into paper / Irene Brückle and Gerhard Banik -- The rate of discolourisation removal from paper by washing / Vincent Daniels -- Washing paper in conservation / Joanna M. Kosek -- Aqueous deacidification of paper/ Anthony W. Smith -- Drying paper in conservation practice / Irene Brückle and Gerhard Banik -- Aqueous treatment in context / Irene Brückle.