Cochin University of Science & Technology, Cochin, Available Volumes: Vol.14,1989 Savitribai Phule Pune University, Available Volumes: Vol.1,1976;Vol.2,No.1-7,1977-1978;Vol.3,No.1-6,1978-1979;Vol.4,No.1-6,1979;Vol.5,No.1-4,6-7,1980;Vol.6,No.1-4,8,1981-1982;Vol.10,1985-1986;Vol.12,No.1-6,1987;Vol.17,1991
