River life
By: by Alfred Leutscher ; illustrated by David Pratt, black-and-white illustrations by David Cook.
Contributors: Pratt, David.; Cook, David.
Series: The young ecologist series
Publisher: Franklin Watts Ltd
Published: 1972
Place of publication: London (32 Palmer St., SW1H OPJ)
Language: eng
Number of pages: 33
Subjects: Stream ecology