@book{7059,
	author = {Koch, M.},
	title = {Ueber das Harz von Dammara orientalis (Manila-Copal), und, Ueber das siebenbürgische Resina Pini von Picea vulgaris (Link) /},
	publisher = {A. Kämpfe,},
	year = {1902.},
	address = {Jena :}
}