Stem Elementary School Science : STEM : Space-time-energy-matter /
Verne N. Rockcastle, Frank R. Salamon, Victor E. Schmidt, Betty J. McKnigt; Addison-Wesley Publishing Company.
- Menlo Park, California, U.S.A. : Addison - Wesley Publishing Company, 1975.
- 320 p. : col. ill., 20 cm.