TY - JOUR AB - VL - 27 IS - 9 SN - 0368-492X DO - 10.1108/k.1998.27.9.1092.2 UR - https://doi.org/10.1108/k.1998.27.9.1092.2 AU - Vallée Robert PY - 1998 Y1 - 1998/01/01 TI - International Encyclopedia of Systems and Cybernetics T2 - Kybernetes PB - Emerald Group Publishing Limited SP - 1092 EP - 1093 Y2 - 2024/04/25 ER -