00293nam a2200109Ia 4500082002300000100003100023245004100054260003500095300002000130500000500150700002800155  a519.50184bD229.DA  aDas, M. N. and Giri, N. C.  aDesign and analysis of experimentsb  aNew DelhibWiley Easternc1979  aix, 295p. Index  a  aGiri, N. C. ; jt. auth.