Direct download from: [ URL: http://nasi.iiita.ac.in/library/National%20Academy%20Science%20Letters/Vol%2003/1980_Vol3_No10_News.pdf ]
Direct download from: [ URL: http://nasi.iiita.ac.in/library/National%20Academy%20Science%20Letters/Vol%2003/1980_Vol3_No10_News.pdf ]