Herwig, Rob. <br/><br/>
How to grow healthy house plants / 
Rob Herwig. 
 - Tuscon :  H. P. Books,  1979. 
 - 176 p. :  plates ;  28 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>House plants.