1. Asadpour G, Ghasemian A, Saraeian A, Ghaffari M (2008) Quality of recycled OCC pulps and allows optimal use in combination with hardwood NSSC pulp wood pulp in Mazandaran. In: Proceedings of First Iranian Conference on Supplying Raw Materials and Development of Wood and Paper Industries, Gorgan, Iran
2. Biermann CJ (1996) Handbook of pulping and paper making, 2nd edn. Department of Forest Products and Center for Advanced Materials Research, Oregon State University, Corvallis, Oregon, Academic Press
3. Casey P (1980) Pulp and paper chemistry and chemical technology, vol 1. Wiley, New York
4. Cathie K, Guest D (2001) Guide to waste paper, Mirshokraei SA (tr.), Aeij Press, Tehran
5. Davies GW (1966) Optical and electron microscopy of NSSC pulps. Appita 19:95–110