Davies, A. M. Hudson <br/><br/>
The selection of colour workers :  being a research into the practical methods of measuring the ability to discriminate fine shades of colour / 
A. M. Hudson Davies and W. O'd. Pierce ; edited by Charles S. Myers 
 - London :  Sir ISAAC Pitman,  1934 
 - xi, 134, [28] p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Color vision
<br/><br/><label>Dewey Class. No.: </label>152.1072