Atmospheric deposition studies of heavy metals in Arctic by comparative analysis of lichens and cryoconite - Singh, Shiv Mohan; Sharma, Jagdev; Gawas-Sakhalkar, Puja; Upadhyay, Ajay K.; Naik, Simantini; Pedneker, Shailesh M.; Ravindra, Rasik (Environmental Monitoring and Assessment, 2012)