6Farkas J. Optimum Design of Circular Hollow Section Beam-Columns[J]. ISOPE,1992,4:494-499.
7ASO K. The Optimum Design of a Stepped Pipe For Mining Manganese Nodules with Consideration for Reducing Its Maximum Axial Stress[J]. ISOPE, 1996,1 : 29-36.
8封盛,宋玉普. Structure shape Optimum Design of Offshore Jacket Platforms[J]. China Ocean Engineering, 2000,13 ( 14 ).