00315nam a2200097Ia 4500008004100000020001800041100002300059245007200082260004900154300001400203240407s9999    xx            000 0 und d  a9780521018357  aLewis I. Held, Jr. 0aImaginal discsbThe genetic and cellular logic of pattern formation  aCambridgebCambridge Univerisity Pressc2002  axv, 460p.