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041 _aEnglish
245 0 _aPostal Contacts and Some Other Means of Two-Way Communication : Practices and Opinions at A Number of European Correspondence Schools
250 _aEducation
260 _aSweden :
_bUniversity of Lund,
_c1976
300 _a33p.;
_c29cm
650 _aReport
942 _cRP
999 _c155479
_d155479