[1]
Vishnu-Mittre and Khandelwal, A. 1973. Air-borne pollen grains and fungal spores at Lucknow during 1969-1970. Journal of Palaeosciences. 22, 1-3 (Dec. 1973), 177–185. DOI:https://doi.org/10.54991/jop.1973.938.