000 00253nam a2200109Ia 4500
100 _aGilbert S F
250 _aEdn 5
245 _aDevelopmental Biology .-Edn 5
260 _bSinauer Asso, U S A
082 _aK:7/N97/B22460
300 _app 918, A1.1-S1.25
999 _c18010
_d18010