000 00352nam a2200133Ia 4500
008 211217s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aLewin, Roger
245 0 _aHormones: chemical communicators
260 _bGeoffery Chapman
_aLondon
_c1972
300 _a127p p.
653 _aHormones
942 _c1
999 _c378351
_d378351