@article { ,
	title = {Vertical patterns of inorganic carbon and nitrogen uptake in a subalpine lake},
	journal = {Verh. Internat. Verein. Limnol.},
	volume = {21},
	year = {1981},
	pages = {294-300},
	author = {Axler, R.P. and Gersberg, R.M. }
}