00273nam a2200097Ia 4500008004100000082002500041100001700066245005000083260002700133650001500160220204s9999    xx            000 0 und d  a582.998:577.1bHEY.2  aHEYWOOD, V H 0aBiology and chemistry of the compositae. V 2.  aLondonbAcademicc1977  aCompositae