00310nam a2200109Ia 4500008004100000082001900041100002400060245003600084260004800120300001000168650002200178140113s9999    xx            000 0 und d  a595.7:581.2 G5  a" Snodgrass, R. E."  aPrinciples of insect morphology  b"New York : McGraw-hill book company, 1935"  a667p.  aInsect morphology