8[14] Tucciarelli T, Criminisi A, Termini D. Leak analysis in pipeline systems by means of optimal valve regulation[J]. J Hydr Engrg, ASCE, 1999, 125（3）:277～285.
9[15] Altman T, Boulos P F. Solving flow-contrained networks: inverse problem[J]. J Hydr Engrg， ASCE, 1995,121（5）:427～431.
10[16] Pudar R S, Liggett J A. Leaks in pipe networks[J]. J Hydr Engrg， ASCE, 1992, 118（7）:1031～1046.
