@INPROCEEDINGS{a2013,
     Title={A Comparative Study of Clay Minerals of South-Western Region of Punjab, India.},
     Author={Vandana Naithani, Anirudh P. Singh.},
     BookTitle={2nd International Conference on Environment, Chemistry and Biology},
     Address={IACSIT Press, Singapore, held at Stockholm, Sweden},
     Pages={107-113},
     DOI={10.7763/IPCBEE},
     Publisher={ IPCBEE},
     Month={2013},
     Year={2013}
}