@book{4901,
	author = {Suydam, Marilyn N. and National Council of Teachers of Mathematics.},
	title = {Developing computational skills /},
	publisher = {National Council of Teachers of Mathematics,},
	year = {c1978.},
	series = {Yearbook - National Council of Teachers of Mathematics ; 1978},
	address = {Reston, Va. :},
	note = {Includes index.}
}