Light and sound

Xehetasun bibliografikoak
Egile nagusia:	Katagiri, George
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Morristown, NJ Silver Burdett c1976.
Saila:	SPIES Self-Paced Investigations for Elementary Science
Gaiak:	Science > Study and teaching (Elementary). Light. Sound. Modules.