@book{15850,
	author = {Freudenberg, K},
	title = {Constitution and biosynthesis of lignin},
	publisher = {Springer-Verlag},
	year = {1968},
	address = {New York},
	note = { ref. at the end of each chap. Molecular biology, biochemistry and biophysics, ed. by A Kleinzeller, 2.}
}