@techreport{brandreth91-prototype,
	author      = {Brandreth, Mark
	               and Core, Philip W
	               and Currie, Ian F
	               and Peeling, Nic E
	               and Stanley, Margaret
	               and Foster, J Michael},
	title       = {{Ten15} Prototype},
	series      = {RSRE Memorandum},
	institution = {Royal Signals and Radar Establishment, Malvern},
	publisher   = {Ministry of Defence},
	number      = {91025},
	year        = {1991},
	% TODO: no local copy
}