Virmani, K. C. “Indigenous Cellulosic Raw Materials for the Production of Pulp, Paper and Board - Part IX.- Newsprint Grade Mechanical Pulp From <I>Sterculia campanulata< I> (<I>Papita< I>)”. Indian Forester, vol. 78, no. 5, May 1952, pp. 222-8, doi:10.36808/if/1952/v78i5/23388.