@article{Din_Pal_Muttoo_Madan_2020, title={A Hybrid Computational Intelligence based Technique for Automatic Cryptanalysis of Playfair Ciphers}, volume={70}, url={https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/15749}, DOI={10.14429/dsj.70.15749}, number={6}, journal={Defence Science Journal}, author={Din, Maiya and Pal, Saibal and Muttoo, S. and Madan, Sushila}, year={2020}, month={Oct.}, pages={612-618} }