TY - JOUR AU - Dieter Jungnickel AU - Thomas Beth TI - Variations on seven points: An introduction to the scope and methods of coding theory and finite geometries. JO - Aequationes mathematicae PY - 1982 SP - 153 EP - 176 VL - 25 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1982__25_136961/ ID - AM2_1982__25_136961 ER -