TY  - BOOK
AU  -  Sloos,Isaèac Jacobus
TI  -  Correspondence education in the Netherlands / 
U1  -  374.492 SLO 
PY  - 1968///?]
CY  -  Leiden] : 
PB  -  Leidsche Onderwijsinstellingen, 
KW  -  Correspondence schools and courses
KW  -  Netherlands
N1  -  Includes bibliographical references
ER  -