Walia, Kum Kum, Sapna Negi, Harish K. Bajaj, Deepak C. Kalia, and Raman K. Walia. 2002. “Report on the Occurrence of a Pine Wood Nematode , <I>Bursaphelenchus< I> Sp. From Himachal Pradesh”. Indian Forester 128 (7):819-19. https://doi.org/10.36808/if/2002/v128i7/2573.