870 μm observations of evolved stars with LABOCAD. Ladjal, K. Justtanont, M. A. T. Groenewegen, J. A. D. L. Blommaert, C. Waelkens and M. J. BarlowA&A, 513 (2010) A53DOI: https://doi.org/10.1051/0004-6361/200913147