00369nam a2200121Ia 4500008004100000082001400041100002100055245007900076250001400155260004700169300001600216650001500232140113s9999    xx            000 0 und d  a311.21 L4  a"Ostle, Bernard"  aStatistics in research: basic concepts and techniques for research workers  a2nd (rev)  b"New Delhi : Oxford & IBH publishing Co, "  a"HB, 595p."  aStatistics