TY - GEN A1 - Quaisser, Erhard T1 - Antoni, C. ; Dalena, A., Discrete applied mathematics, 66 (1996), S. 75 - 79 BT - Discrete applied mathematics Y1 - 1996 ER - TY - GEN A1 - Quaisser, Erhard T1 - Greewell, D. ; Johnson, P. D., Geombinatorics,2 (1993), 3, S. 61 - 64 BT - Geombinatorics Y1 - 1996 ER -