Allday, Jonathan.
Light and sound / Jonathan Allday. - New York : Oxford university press, c 2002. - 48 p. : Ill. ; 28 cm. - The young oxford library of science, v.6. .
Includes Index.
314 314
0-19-521861-2 0-19-521906-6 (set)
Science.
Light -- Juvenile literature.
500 / Y84
Light and sound / Jonathan Allday. - New York : Oxford university press, c 2002. - 48 p. : Ill. ; 28 cm. - The young oxford library of science, v.6. .
Includes Index.
314 314
0-19-521861-2 0-19-521906-6 (set)
Science.
Light -- Juvenile literature.
500 / Y84