00937nam0-22003011i-450-99000201839040332120070220144026.0000201839FED01000201839(Aleph)000201839FED0100020183920030910d1979----km-y0itay50------baeng<<A >>key to the nymphs of British Ephemeroptera with notes on their ecologyT. T. Macan3nd ed.AmblesideFreshwater197979 p.21 cmFreshwater Biological AssociationScientific Publication20Efemerotteri595.734Macan,Thomas Townley64767ITUNINARICAUNIMARCBK99000201839040332161 IV E.1A/054662DAGENDAGENKey to the nymphs of British Ephemeroptera with notes on their ecology405849UNINA