Kamesam, S. 1935. Economic Results of the Application of a New Principle of Fluid Impregnation into Porous Materials to the Preservative Treatment of Chir and Blue- Pine Railway Sleepers. Indian Forester. 61, 10 (Sep. 1935), 645–646. DOI:https://doi.org/10.36808/if/1935/v61i10/20879.