Pirson A <br/><br/>
Photo morphogenesis 
Pirson A; Gottingen 
 -  1983 
<br/><br/><label>Standard No.: </label>132046 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>I:33C5:f3, M3.2