00354nam a2200121Ia 4500008004100000022001400041040001100055100001700066245004800083260007800131300001300209300001000222251112s9999||||xx |||||||||||||| ||und||  a0022-4456  aCNCLSA  aY. R. Chadha 0aJournal of Scientific & Industrial Research  cJanuary, 1979bThe Council of Scientific & Industrial ResearchaNew Delhi  aP. 1-734  bV. 38