1. Engle Jr.; R.M. (1970) Cracks, a FORTRANIV Digital computer program for crack propagation analysis. AFFDL-TR-70-107, October
2. Failure Analysis Associates. BIGIF Fracture Mechanics Code for Structures. Principal investigators: P.M. Besuner; D.C. Peters; R.C. Cipolla. EPRI NP-838, Project 700-1, Key Phase Report, Manual 1, July 1978
3. Chang, J.B.; Szamossi, M.; Liu, K.-W. (1981) A user's manual for a detailed level fatigue crack growth analysis computer code, Volume I?The CRKGRO program. AFWAL-TR-81-3903
4. Chang, J.B.; Szamossi, M.; Liu, K.-W. (1981) A user's manual for a computer program to predict fatigue crack growth on flight-by-flight basis?The FLTGRO program. AFWAL-TR-81-3904
5. Atluri, S.N.; Bass, B.R.; Bryson, J.W.; Kathiresan, K. (1982) OR-FLAW: A finite element program for direct evaluation of K-factors for user-defined flaws in plates, cylinders, and pressure-vessel nozzle corners. NUREG/CR-2494, ORNL/CSD/TM-165 April