Wavelengths /

[compiled by] John Jennings.
Bibliographic Details
Contributors: Jennings, John.
Format: Book
Language:English
Published / Created: Dublin : Educational Company of Ireland, 1976.
Subjects:
Notes:Physical description: 176 p. : ill. (some col.) ; 21 cm.
Contained in: Pamphlet volume BB5690
ISBN:0904916464 (pbk) :