@article {,
	title = {Grids and Datums: Republic of Per{\'u}},
	journal = {American Society for Photogrammetry and Remote Sensing},
	volume = {72},
	number = {5},
	year = {2006},
	note = {ΔX = {\textendash}279 m {\textpm} 6 m, ΔY = +175 m {\textpm} 8 m, ΔZ = {\textendash}379 m {\textpm} 12 m},
	pages = {495-496},
	url = {http://www.asprs.org/resources/grids/05-2006-peru.pdf},
	author = {Mugnier, Clifford J.}
}