00366nam a2200109Ia 4500008004100000082001700041100001900058245003900077260005300116630001800169650006900187211109s9999||||xx |||||||||||||| ||und||  a574.3bEBE-I  aEbert, James D 0aInteracting Systems in Development  bHolt, Rinehart and Winston, Inc.aNew Yorkc1965  xGeneral Stack  aEmbryologyvGrowth and DevelopmentDevelopmental BiologyxZoology