Zahorecz S, Jimenez-Serra I, Testi L, Immer K, Fontani F, Caselli P, Toth VL, Wang K, Onishi T. Deuteration of formaldehyde - an important precursor of hydrogenated complex organic molecules - during star formation in our Galaxy, in Origins: From the Protosun to the First Steps of Life.Vol 345.; 2020:337-338.