An introduction to freshwater ecology /
Mills, Derek Henry.
An introduction to freshwater ecology / [by] D. H. Mills. - Edinburgh : Oliver and Boyd, 1972. - viii, 101 p. : ill. ; 22 cm.
Includes bibliographical references p. ( 93-95 ) and index.
0050023977
73-152696
Freshwater ecology.
577.6
An introduction to freshwater ecology / [by] D. H. Mills. - Edinburgh : Oliver and Boyd, 1972. - viii, 101 p. : ill. ; 22 cm.
Includes bibliographical references p. ( 93-95 ) and index.
0050023977
73-152696
Freshwater ecology.
577.6