Balakrishnan, Janaki , and BV Sreekantan. 2014. Nature's longest threads: New Frontiers in the Mathematics & Physics of Information in Biology. Singapore: World Scientific Publishing. http://www.worldscientific.com/worldscibooks/10.1142/9204.

Baindur, Meera . 2009. “Nature as Non-terrestrial: Sacred Natural Landscapes and Place in Indian Vedic and Pur?\d nic Thought”. Environmental Philosophy 6: 43–58. http://eprints.nias.res.in/140/.

Ashok, Kaveri , Arun Vishwanathan, S Chandrashekar, L V Krishnan, Lalitha Sundaresan, and Rajaram Nagappa. 2016. R39 NIAS Report: Advanced Techniques in Environmental Monitoring. NIAS, Bangalore.