Y. R. Rashid, Nonlinear Quasi-static Analysis of Two-
dimensional Concrete Structures, Part I Theory, Part II Computer
Program Manual, GA-9994, March 23, 1970.
R. D. Browne, Properties of Concrete in Reactor
Vessels, Conference on Prestressed Concrete Pressure Vessels at
Church House, Westminster, S.W. 1, 13-17 March 1967, The Institute
of Civil Engineers, London, pp. 131-151, 1968.
NTRAN, I/O Routines for Tape and Drum, Excerpt from
UNIVAC 1107 FORTRAN IV Programmers Reference Manual, UP-3569, Rev.