@book{13135,
	author = {Alexander, Martin,},
	title = {Introduction to soil microbiology /},
	publisher = {R.E. Krieger Pub. Co.,},
	year = {1977 [reprinted 1991]},
	address = {Malabar, Fla. :},
	note = {Reprint. Originally published: 2nd ed. New York : Wiley, c1977.}
}