@book{7251,
	author = {Schomburgk, Robert H. and Schomburgk, Otto Alfred,},
	title = {Robert Hermann Schomburgk's Reisen in Guiana und am Orinoko während der Jahre 1835-1839.},
	publisher = {G. Wigand,},
	year = {1841.},
	address = {Leipzig,}
}