TY - BOOK AU - CHEN, WAI KAI, CHEN, WAI-KAI TI - THEORY OF NETS, FLOWS IN NETWORKS SN - 0-471-85148-5 U1 - 621.3192 CHE'T PY - 1990/// CY - NEWYORK PB - JOHN WILEY KW - NETWORK ANALYSIS GRAPH THEORY ER -