000 00303nam a2200109Ia 4500
008 170101s1988 xx 000 0 und d
082 _a311NIG
100 _aNigam, A.K
245 0 _aCharacterizations and analysis of block designs
260 _aNew Delhi
_bWiley eastern Limited
_c1988
942 _2ddc
_cRS
999 _c384081
_d384081