Mapping ices in protostellar environments on 1000 AU scales - Methanol-rich ice in the envelope of Serpens SMM 4K. M. Pontoppidan, E. F. van Dishoeck and E. DartoisA&A, 426 3 (2004) 925-940DOI: https://doi.org/10.1051/0004-6361:20041276
