00284nam a2200109 a 450000500170000002000150001708200230003210000240005524500510007926000260013030000180015620251203090447.0  a0871509490  a519.50245,bD, hil  aHildebrand, David K  aStatistical thinking for bebavioral scientists  aBostonbDuxburyc1986  axv,812p, 22cm