Jeffrey, Dick. <br/><br/>
Principles of machine operation and maintenance / 
Dick Jeffrey. 
 - Oxford :  Butterworth Heinemann,  c1991. 
 - 147 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780750602938 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery--Maintenance and repair.