@article {Hayakawa2008GRL,
	title = {{Comparison of new and existing global digital elevation models: ASTER G-DEM and SRTM-3}},
	journal = {Geophys. Res. Lett.},
	volume = {35},
	year = {2008},
	pages = {L17404},
	author = {Hayakawa, Y.S. and Oguchi, T. and Lin, Z.}
}