D21 Output of Wood Pulp (in thousand metric tons, dry weight)
International Historical Statistics, p.945-947Palgrave Macmillan, a division of Nature America Inc. 2013 ;ISSN: 2947-1583 ;EISSN: 2947-1591 ;EISBN: 1137305681 ;EISBN: 9781137305688 ;DOI: 10.1057/978-1-137-30568-8_136
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