TY - BOOK AU - Campbell, Donald T. TI - Social experimentation SN - 0761904042 (cloth : acid-free paper) U1 - 301.01 PY - 1999/// CY - Thousand Oaks, Calif. PB - Sage Publications KW - Sociology UR - http://www.loc.gov/catdir/enhancements/fy0656/98025447-d.html ER -