Wlaschin, P., & Thompson, P. L. (1980). Hydraulic Design of Improved Inlets for Culverts Using Programmable Calculators, Calculator Design Series (CDS) No. 2 (Report No. FHWA-EPD-86-117). United States. Federal Highway Administration. Office of Engineering. https://rosap.ntl.bts.gov/view/dot/75279
Wlaschin, Patrick and Philip L. Thompson. Hydraulic Design of Improved Inlets for Culverts Using Programmable Calculators, Calculator Design Series (CDS) No. 2. Report no. FHWA-EPD-86-117. United States. Federal Highway Administration. Office of Engineering, 1980. https://rosap.ntl.bts.gov/view/dot/75279.
Wlaschin, Patrick, and Philip L. Thompson Hydraulic Design of Improved Inlets for Culverts Using Programmable Calculators, Calculator Design Series (CDS) No. 2. United States. Federal Highway Administration. Office of Engineering, 1980, Report no. FHWA-EPD-86-117, ROSA P. https://rosap.ntl.bts.gov/view/dot/75279.
This manual provides programmable design procedures for both box and pipe culverts with either conventional or improved inlets, for the Hewlett Packard, HP-65 calculator. The same terminology and algorithms used in "The Design of Improved Inlets for Culverts" (HEC No. 13) are used in these programs. Each program listed in the manual is accompanied by an explanation and an illustration of its use.
Wlaschin, P., & Thompson, P. L. (1980). Hydraulic Design of Improved Inlets for Culverts Using Programmable Calculators, Calculator Design Series (CDS) No. 2 (Report No. FHWA-EPD-86-117). United States. Federal Highway Administration. Office of Engineering. https://rosap.ntl.bts.gov/view/dot/75279
Wlaschin, Patrick and Philip L. Thompson. Hydraulic Design of Improved Inlets for Culverts Using Programmable Calculators, Calculator Design Series (CDS) No. 2. Report no. FHWA-EPD-86-117. United States. Federal Highway Administration. Office of Engineering, 1980. https://rosap.ntl.bts.gov/view/dot/75279.
Wlaschin, Patrick, and Philip L. Thompson Hydraulic Design of Improved Inlets for Culverts Using Programmable Calculators, Calculator Design Series (CDS) No. 2. United States. Federal Highway Administration. Office of Engineering, 1980, Report no. FHWA-EPD-86-117, ROSA P. https://rosap.ntl.bts.gov/view/dot/75279.
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