00309nam a2200121Ia 4500008004100000082001500041100001800056245002400074260003100098300001000129630001800139650003000157211109s9999||||xx |||||||||||||| ||und||  a574bWEI-E  aWeisz, Paul B 0aElements of Biology  bMcgraw-HillaNewyorkc1958  a491p.  xGeneral Stack  aBiologyvZoologyxZoology