@book {994,
	title = {Chemical Analysis of Ecological Material},
	year = {1974},
	month = {1974///},
	publisher = {John Wiley and Sons},
	organization = {John Wiley and Sons},
	address = {New York, NY},
	author = {Allen,S.E. and Grimshaw,H.M. and Parkinson,J.A. and Quarmby,C.}
}
