Britain's hoverflies
Ball, Stuart.
Britain's hoverflies a field guide / [electronic resource] : Stuart Ball, Roger Morris. - Fully rev. and updated 2nd edition. - Princeton, NJ : Princeton University Press, 2015. - 1 online resource (pages cm) - Wildguides .
9781400866021
Electronic books.
Britain's hoverflies a field guide / [electronic resource] : Stuart Ball, Roger Morris. - Fully rev. and updated 2nd edition. - Princeton, NJ : Princeton University Press, 2015. - 1 online resource (pages cm) - Wildguides .
9781400866021
Electronic books.