Authors
Harikesh N. Misra
Geography Department, University of Allahabad, Allahabad, India
Ashutosh Mishra
Geography Department, University of Allahabad, Allahabad, India
© 2017 Harikesh N. Misra, Ashutosh Mishra, published by University of Silesia in Katowice, Institute of Mathematics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.