00506pam a2200181 a 4500001000800000005001700008008004100025010001700066020001500083040001800098041000800116080001800124082002200142100000800164101000800172245009100180504005300271207123220180302081245.0941221s1995    deua     b    001 0 eng    a   94045949   a0872071286  aDLCcDLCdDLC  aeng  a370/.78   SUS00a370/.78   SUS220  a025  aEDU00aSingle-subject experimental research :cSusan B. Neuman and Sandra McCormick, editors.  aIncludes bibliographical references and indexes.