00321nam a2200109Ia 4500008004100000082001400041100002000055245006400075260004400139300001000183650001800193140113s9999    xx            000 0 und d  a595.42 L6  a"Smith, Ian M."  aA study of the systematics of the water mite family Pionide  b"Entomological society of Canada, 1976"  a249p.  aParasitengona