00313nam a2200109Ia 4500008004100000082002500041100002600066245004100092260004400133300001000177650001600187140113s9999    xx            000 0 und d  a595.773.4(71+798) K9  a"Spencer, Kenneth A."  aThe Agromyzidae of Canada and alaska  b"Entomological society of Canada, 1969"  a311p.  aAgromyzidae