Knight, R.O. <br/><br/>
The Plant in Relation to Water 
/ by R.O. Knight 
 - 2nd ed. 
 - London :  Heiemann Educational Books,  1967 
 - IX, 147 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>580  / KNI-T2