Hawker, M. F. J. <br/><br/>
Horticultural machinery 

 - London :  MacDonald,  1971 
 - 169p. :  ill. ; 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>356033902 
<br/><br/><label>LC Class. No.: </label>S678.7  / .H31 1971