@book{125529,
	author = {Eng, Helga and Hatfield, Henry S.},
	title = {The psychology of children's drawings from the first stroke to the coloured drawing /},
	publisher = {K. Paul, Trench, Trubner & co. ltd.,},
	year = {1931.},
	address = {London :},
	note = {"Translated by H. Stafford Hatfield.".}
}