000 00513nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a611.0188 ROL
100 _aNicholls, John G
245 _aRole of intercellular signals : navigation encounter, outcome.
260 _bVerlag
_aNew York
_c0
999 _c152502
_d152502