@article{siccama_preliminary_1968,
	title = {Preliminary evaluation of the herb compartment of the {Hubbard} {Brook} northern hardwood forest ecosystem},
	volume = {49},
	number = {3},
	author = {Siccama, T. G. and Bormann, F. H. and Likens, G.E.},
	year = {1968},
	keywords = {HBR}
}