TY - BOOK AU - Jager,O. TI - Verkondiging en massamedia T2 - Kamper cahiers U1 - 251.07 20 PY - 1971/// CY - Kampen, Weinheim, Ger. PB - J.H. Kok, Deutscher Studien Verlag KW - Communication KW - Religious aspects KW - Christianity KW - Radio in religion KW - Television in religion ER -