Testing grain surface chemistry: a survey of deuterated formaldehyde and methanol in low-mass class 0 protostarsB. Parise, C. Ceccarelli, A. G. G. M. Tielens, A. Castets, E. Caux, B. Lefloch and S. MaretA&A, 453 3 (2006) 949-958DOI: https://doi.org/10.1051/0004-6361:20054476
