GEFFERTOVÁ, Jarmila - GEFFERT, Anton. Recycling of the hardwood kraft pulp. In Material recycling - trends and perspectives. - Rijeka : InTech, 2012. ISBN 978-953-51-0327-1, p. 265-298 [1,83 AH]. VEGA 1/0272/11. WOS. Dostupné na internete: <http://www.intechopen.com/books/material-recycling-trends-and-perspectives/recycling-of-the-hardwood-kraft-pulp>