LEADER 00930nam0-22003491i-450- 001 990003195380403321 010 $a0-394-31256-2 035 $a000319538 035 $aFED01000319538 035 $a(Aleph)000319538FED01 035 $a000319538 100 $a20000920d1977----km-y0itay50------ba 101 0 $aita 102 $aIT 200 1 $aSocial Research Methods$ePerspective, Theory, and Analysis$fKenneth W. Eckhardt and M. David Ermann. 210 $aNew York$cRandom House$d\c\\1977. 215 $aXX, 410 p.$d24 cm 676 $a11130 676 $a11220 676 $a11230 676 $a11320 676 $a11360 702 1$aEckhardt,$bKenneth W. 702 1$aErmann,$bM. David 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990003195380403321 952 $a11130 ECK$b12314/I$fSES 959 $aSES 996 $aSocial Research Methods$9453278 997 $aUNINA DB $aING01