9Srinivasan R, Venkatasubramanian V. Automating HAZOP analysis of batch chemical plants (Ⅰ): The knowledge representation framework. Computers and Chemical Engineering, 1998, 22 (9): 1345-1356
10Zhao J, Viswanathan S, Venkatasubramanian V. Industrial applications of operating procedure synthesis and process hazards analysis for batch plants. Computer Aided Chem. Eng., 2000, 8:787-792