TY - BOOK AU - Blrecht Albrecht ED - Symposium on Enduser Systems and Their Human Factors( 1983 : Heidelberg ) ED - Symposium on Enduser Systems and Their Human Factors TI - Enduser systems and their human factors : proceedings U1 - 4 PY - 1983/// CY - Berlin PB - Springer Verlag KW - Computer science KW - Enduser systems ER -