00320nam a2200109Ia 4500008004100000040001100041100002300052245005500075260005500130300001500185300001000200251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aR. Ananthakrishnan 0aCurrent SciencebA Fortnightly Journal of Research  cMay 5, 1983bIndian Academy of SciencesaBangalore  aP. 383-787  bV. 52