00265nam a2200121Ia 4500008004100000082000800041082001000049100002200059245001500081260001400096260002400110260000900134230118s9999||||xx |||||||||||||| ||und||  a8m1  bRAM/K  ak.vbramakrishnan 0aketavilaku  akozhikode  bpoorna publications  c1980