00300nam a2200121Ia 4500008004100000020001800041082001500059100002200074245002200096250000800118260004400126300000800170190710s9999    xx            000 0 und d  a0-07-766175-8  a519.5 B612  aBlalock, M Hubert 0aSocial statistics  a2nd  aAuklandbMcGraw - Hill Book Compac1988  a625