Sound waves.

by Hutchison, D. E. Published by : Gage education publishing limited, (Ontario :) Physical details: 80 p. ill. 21 cm. ISBN:771574193.
Subject(s): Sound-waves.
Year: 1975 Item type: Books
Tags from this library: No tags from this library for this title. Log in to add tags.
Copyright © , Paro College of Education | email: librarian.pce@rub.edu.bt