@article{oai:nagoya.repo.nii.ac.jp:00030963,
 author = {Murakami, Mitsukiyo and Shimizu, Yukimaru},
 issue = {1},
 journal = {Memoirs of the Faculty of Engineering, Nagoya University},
 month = {Feb},
 pages = {86--108},
 title = {Experimental formulae on the hydraulic loss in pipe bends},
 volume = {26},
 year = {1975}
}