paper production paper 66 production 45 history 42 celluloses 19 cellulose 11 firm 11 more ... wood 8 recycling of wastes 7 secondary raw materials 6 branch economy 6 raw materials 6 textile fibres 6 business balance sheet 5 textile industry 5 woodworking industry 4 paper machines 4 material testing 4 dyeing 3 papírenské výrobky 3 printing 3 forecasting 3 natural fibres 3 machines 3 mechanical engineering 3 textile 3 pulp wood 3 treatment 3 analytical chemistry 2 bleaching 2 less ...