Enlace original:
http://repositorio.uchile.cl/handle/2250/126171
Riquelme, D.
,
Bronfman Aguiló, Leonardo
,
Mauersberger, R.
,
May Humeres, Jorge
,
Wilson, T. L.
,
[A survey of the Galactic center region in HCO+, H13CO+, and SiO]