00294nam a2200109Ia 450000500170000000800410001708200140005810000230007224500390009526000420013430000080017620260225050905.0260224s9999||||xx |||||||||||||| ||und||  a311.2 SPI  aMurray R. Spiegel  0aTheory and problems of statistics   aNew York: McGraw-Hill Book Co. c1961  a359