Bibliografia

(Biermann, 1996):
Christopher J.BIERMANN, Handbook of Pulping and Papermaking, Cambridge, Massachussets, Stati Uniti: Academic Press, 1996

(Kurlansky, 2016):
Mark KURLANSKY, Paper: Paging Through History, S.L., 2016

(Clapperton, 1967):

R. H. CLAPPERTON, The Paper-Making Machine, New York, New York, Stati Uniti: Elsevier Ltd., 1967