1. ASCE 41-06 Seismic Rehabilitation of Existing Buildings.
2. ASCE 31-03 Seismic Evaluation of Existing Buildings.
3. Kidder Parker's Architects' and Builders' Handbook 18 th Ed.
4. Tamaro G. and Tortorella J." SEAONY Underpinning Symposium 2005" http://www.nyc.gov/