@book{19949,
	author = {Johnson, Willis Hugh, 1902-},
	title = {Essentials of biology /},
	publisher = {Holt, Rinehart and Winston,},
	year = {1969.},
	address = {New York :},
	edition = {2nd},
	note = {First ed. (1969) by W. H. Johnson, L. E. DeLanney and T. A. Cole.Includes bibliographies.}
}