HEC-6 versión 4.0
DeVries, J.J.
HEC-6 versión 4.0 - Davis, California : Army Corps of Engineering, Hydrologic Engineering Center - "1 diskette 5 1/4"""
HEC-6 versión 4.0 - Davis, California : Army Corps of Engineering, Hydrologic Engineering Center - "1 diskette 5 1/4"""