000 00454 a2200169 4500
245 1 _aSome contribution to the theory of construction of designs.
300 _a136p.
650 _aDesign
650 _aExperimental design
650 _aMethods
650 _aStatistical data
502 _cIARI, Division of Agricultural Statistics, New Delhi
_bPh.D.
_d1976
502 _gDey, A.
100 1 _aChakravarty, R.
942 _2udc
_cT
901 _aT2790
999 _c137675
_d137675