Virmani, K.C. 1952. 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. 78, 5 (May 1952), 222–228. DOI:https://doi.org/10.36808/if/1952/v78i5/23388.