Stebbing, E.P.2023-11-182023-11-181910Stebbing, E.P. (1910) The blue pine ‘Polygraphus’ bark-borer (Polygraphus Major, Steb.). Indian Forest Leaflet . Forest Research Institute.https://frirepo.bestbookbuddies.com/handle/123456789/1447enThe blue pine ‘Polygraphus’ bark-borer (Polygraphus Major, Steb.)Book