TY - RPRT TI - Cycle-counting methods for fatigue analysis with random load histories : a Fortran user's guide AU - Cheng, Yi-Wen AU - Broz, Jerry J PY - 1986 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 86-3055 DO - 10.6028/NBS.IR.86-3055 ER -