Astronomy projects for young scientists
Apfel, Necia H.
Astronomy projects for young scientists - New York, Estados Unidos : Arco Publishing, 1984 - 122 p. : il. ; 23 cm.
0-668-06006-9
Astronomía ---Experimentos ---Literatura juvenil
QB 62 / 7 A64 1984
Astronomy projects for young scientists - New York, Estados Unidos : Arco Publishing, 1984 - 122 p. : il. ; 23 cm.
0-668-06006-9
Astronomía ---Experimentos ---Literatura juvenil
QB 62 / 7 A64 1984