Radhakrishnan, P.V. Investigations on eco-friendly de-linking agents for paper recycling - Kochi Dept. of Enviormental studies - CUSAT 1999 - 95p. Thesis (Ph.D), CUSAT, 1999 Subjects--Index Terms: Pulp, Paper and board industry Guide : Mohandas, A. Universal Decimal Class. No.: 676 / RAD