1. 01. English Non Fiction Kinetic and potential energy : understanding changes within physical systems / by Viegas, Jennifer. Publication: New York : Rosen Pub. Group, 2005 . 48 p. : 24 cm. Date:2005 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Beethoven's world / by Viegas, Jennifer. Publication: New York, N.Y. : Rosen Pub. Group, 2008 . 64 p. : 23 cm. Date:2008 Availability: Copies available: (1), Actions: