LEADER 00811nam0-22003011i-450- 001 990002588610403321 010 $a0-387-94482-6 035 $a000258861 035 $aFED01000258861 035 $a(Aleph)000258861FED01 035 $a000258861 100 $a20000920d1995----km-y0itay50------ba 101 0 $aENG 200 1 $aObservational studies$fPaul R. Rosenbaum. 210 $aNew York$cSpringer Verlag$d1995. 215 $axv, 230 p.$d24 cm 610 0 $aPiano degli esperimenti 610 0 $aPianificazioni di indagini 676 $a001.4 700 1$aRosenbaum,$bPaul R.$0105235 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990002588610403321 952 $aXV-A-45$b3937$fMAS 959 $aMAS 996 $aObservational studies$9157342 997 $aUNINA DB $aING01