@article {layton2003efficient,
	title = {An efficient numerical method for distributed-loop models of the urine concentrating mechanism},
	journal = {Mathematical biosciences},
	volume = {181},
	number = {2},
	year = {2003},
	pages = {111{\textendash}132},
	publisher = {Elsevier},
	author = {Layton, Anita T and Layton, Harold E}
}
