Ram Reddy, M. A.; Khan, S. N.; Dobriyal, N. D. Effect of Compost and Mineral Fertilizers on Development of Mycorphiza in Chir Pine (<I>Pinus roxburghii< I> Sargent) and Patula Pine (<I>P. Patula< I> Schlecht. And Cham). Indian Forester 1976, 102, 463-471.