Singh , K N and Lal , Brij and Todaria, N P (2008) Observations on dwindlig population of a critically endangered taxon in Himachal Pradesh. Journal of Non-timber Forest Products, 15 (3). pp. 157-160.

Singh, K N and Lal, Brij and Chand, Gopi and Todaria, N P (2012) ECOLOGICAL FEATURES AND CONSERVATION OF ARNEBIA EUCHROMA. A CRITICALLY ENDANGERED MEDICINAL PLANT IN WESTERN HIMALAYA. International Journal of Conservation Science, 3 (3). pp. 189-198.

Singh, K N and Lal , Brij and Todaria, N P (2012) Ethnobotany of Higher Plants in Spiti Cold Desert of Western Himalaya. Journal of Nature and Science, 10 (5). pp. 7-14.

Singh, K N and Kumar, Amit and Chand, Gopi and Lal, Brij and Todaria, N P (2008) Species Diversity and Population Status of Threatened Plants in Different Landscape Elements of the Rohtang Pass, Western Himalaya. Journal of Mountain Science, 5 (1). pp. 73-83.