Hewitt, Paul G. Conceptual Physical Science : Next-time questions to accompany Conceptual Physical Science / P. G. Hewitt, J. Suchocki, L.A. Hewitt. - 2nd edt. - California : Addison Wesley Longman, 1999. - 290 p. : fig. ISBN: 0-321-03539-9 Subjects--Topical Terms: Physics