TY  - ADVS
TI  - The electric wave
PY  - 1990///?
CY  - [s.l
PB  - s.n.]
KW  - Electric waves
N1  - Title on container; H60980
N2  - This program illustrates how waves transfer energy, but not matter, from one point to another. The program also concludes by explaining how electric waves are produced
ER  -