1. Ali, S.N., Quamar, M.F., Dubey, J., Morthekai, P., Bisht, P., Pandey, P., Shekhar, M. and Ghosh, R. (2020) Surface pollen distribution in alpine zone of the higher Himalaya: a case study from the Kalla glacier valley, India. Bot. Lett., DOI: https://doi.org/10.1080/23818107.2020.1753567
2. Bajpai, R. and Kar, R. (2018) Modern pollen deposition in glacial settings in the Himalaya (India): abundance of Pinus pollen and its significance. Palynology, v.42(4), pp.475–482.
3. Bera, S.K. (2000) Modern pollen deposition in Mikir Hills, Assam. Palaeobotanist, v.49 pp.325–328.
4. Bhattacharyya, A. (1989) Modern pollen spectra from Rohtang range, Himachal Pradesh. JourPalynol., v.25, pp.121–131.
5. Bhattacharyya, A., Ranhotra, P.S. and Gergan, J.T. (2011) Vegetation vis-avis climate and glacier history during 12,400 to 5,400 yr BP from Dokriani valley, Garhwal Himalaya, India. Jour. Geol. SocIndia, v.77(5), pp.401–408.