Singh, N. B. “Propagation, Selection And Establishment of Clonal Seed Orchard of Chilgoza Pine (<I>Pinus gerardiana< I> Wall.)”. Indian Forester 118, no. 12 (December 1, 1992): 901–908. Accessed December 4, 2025. http://indianforester.co.in/index.php/indianforester/article/view/8539.