@book{86668,
	author = {Martin, Ralph E., and Sexton, Colleen M.},
	title = {Teaching science for all children :},
	publisher = {Allyn and Bacon,},
	year = {c2002.},
	address = {Boston :},
	edition = {2a ed.},
	note = {Rev. ed. of: Science for all children. Methods for constructing understanding / Ralph Martin ... [et al.]. c1998.}
}