1. Period formulas for moment-resisting frame buildings;Goel;J. Struct. Eng.,1997
2. Evaluation of building period formulas for seismic design;Kwon;Earthq. Eng. Struct. Dyn.,2010
3. Tentative provisions for the Development of Seismic Regulations for Buildings;Applied Technology Council,1978
4. Design of Structures for Earthquake Resistance, part 1: General Rules, Seismic Actions, and Rules for Buildings;Euro code 8,2004
5. Minimum Design Loads for Buildings and Other Structures;ASCE 7-10,2010