TY - JOUR AU - W.D. WALLIS TI - Construction of Skew Room Squares (Short Communication) JO - Aequationes mathematicae PY - 1973 SP - 319 EP - 319 VL - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1973__9_182366/ ID - AM2_1973__9_182366 ER -