Sarkar, S. K. and Gupta, M. M. and Ahmad, Iqbal and Johny, C. J. and De, A. K. and Punyaseshudu, D. (2009) Non performance estimation of a microwave communication link due to rain during the monsoon months of 2006 over Kolkata. Indian Journal of Physics , 83 (10). pp. 1385-1394. ISSN 0019-5480