Electrische polarisatie van een dipoolgas / Folkert Brouwer Century 21 accounting / Robert M. Swanson ... [et al.] Meetinstrumenten ten dienste der electrotechniek / door A.L. van Dijke The monetary process : essentials of money and banking / Robert H. Marshall, Rodney B. Swanson The monetary process :essentials of money and banking /C. Robert H. Marshall, Rodney B. Swanson Ilmu Bayan Al-Ma, AniHandbook of fatigue testing / editor, S. Roy SwansonSoftware maintenance management :a study of the maintenance of comuter application software in 487 data processing organizations /Bennet P. Lientz, E. Burton SwansonChildren's health and environment : developing action plans / by Lucianne Licari , Leda Namer, and Giorgio TamburniMawa,Izhat Ash-Shalat