1. Clough G.W. and O'Rourke T. D. (1990). "Construction induced movements of in
2. situ walls". Design and Performance of Earth Retaining Structures GSP
3. Structures. Aksman B Grigson R and Giffen R. (2012). "Second Avenue Subway Project New
4. York: Design of New Underground Station" Proc. Structures Congress 2012