@article {Grasshoff1991,
	title = {Die publikationsdaten von E.J.C. Esper "Die Pflanzenthiere"},
	journal = {Senckenbergiana Biologica},
	volume = {71},
	year = {1991},
	pages = {191{\textendash}208},
	keywords = {RCBS, TIP},
	author = {Grasshoff, M and Scheer, Georg}
}
