00254nam a2200109Ia 4500008004100000082001500041100001400056245002400070260003300094300000900127650000800136191201s2010    xx            000 0 und d  a519.5bGUS  aGUPTA,S.P 0aStatistical Methods  aN. DelhibSultan Chandc2010  a1425  aBBA