G331.512-0.103: An interstellar laboratory for molecular synthesis. I. the ortho-to-para ratios for CH3OH and CH3CN
Mendoza, Edgar; Bronfman Aguiló, Leonardo; Duronea, Nicolas U.; Lepine, Jacques R. D.; Finger Camus, Ricardo; Merello, Manuel; Hervías-Caimapo, Carlos; Gama, Diana R. G.; Reyes, Nicolás; Ake Nyman, Lars (IOP Publishing Ltd, 2018)