MACDONALD, R. G. (1970). Pulp and paper manufacture The pulping of woodvo.1 - Editor Ronald G Macdonald, John N.Fraklin. Mc Graw Hill Book Company.
Lua i Stíl Chicago (17ú heag.)MACDONALD, Ronald G. Pulp and Paper Manufacture The Pulping of Woodvo.1 - Editor Ronald G Macdonald, John N.Fraklin. Mc Graw Hill Book Company, 1970.
Lua MLA (8ú heag.)MACDONALD, Ronald G. Pulp and Paper Manufacture The Pulping of Woodvo.1 - Editor Ronald G Macdonald, John N.Fraklin. Mc Graw Hill Book Company, 1970.
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