Houstoun , R . A <br/><br/>
Vision And Colour Vision 

 - London  Longmans Green And Co  1932 
 - 238 pages 
<br/><br/> PL means Physics Light, Heat and Sound Page No. 465-469 in A-Z Accession Register (Accession No. PL1-PL131) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics Light, Heat and Sound
<br/><br/><label>Dewey Class. No.: </label>PL78