00302nam a2200097Ia 4500008004100000040001100041100002400052245004800076260006900124300001100193251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aProf. M. S. Thacker 0aJournal of Scientific & Industrial Research  c1959bThe Council of Scientific & Industrial ResearchaNew Delhi  bV. 18A