@book{11899,
	author = {Ackerman, Phillip L., Ed. and Sternberg, Robert J., J.A.; (Glaser, Robert), J.A.},
	title = {Learning and indvidual differences : Advances in theory and},
	publisher = {W. H. Freeman and Company,},
	year = {1989},
	address = {New York,USA:}
}