9Scordelis A C.Past,Present and Future Development,Finite Element Analysis of Reinforced Concrete Structure.ASCE,1986.12-218.
10Hashim M S,Abdul-Wahab,Mohammad H.Khall.L Rigidity and Strength of Orthotropic Reinlorced Concrete Waffle Slabs[J].Journal of Structural Engineering,2002(2):21-28.