Multiperiodic pulsations in the Be stars NW Serpentis and V1446 Aquilae J. Gutiérrez-Soto, J. Fabregat, J. Suso, J. C. Suárez, A. Moya, R. Garrido, A.-M. Hubert, M. Floquet, C. Neiner and Y. Frémat A&A, 472 2 (2007) 565-570 Published online: 09 July 2007 DOI: 10.1051/0004-6361:20077414