Hwang, H.H.M. <br/><br/>
Statistical evaluation of deflection amplification factors -for reinforced concrete structures / by H.H.M. Hwang, J.W. -Law and A. L. Ch´ng 

 - Buffalo, New York : National Center for Earthquake Engineering Research 
 - 72 p. 
 - Technical report NCEER ; 89-0028 .