Relf, Patricia. <br/><br/>
Big work machines  
by Patricia Relf ; illustrated by Tom LaPadula. 
 - New York :  Golden,  c1984. 
 - [24] p.  col. ill. ;  22 cm. 
<br/><br/> "A Golden book." 
<br/><br/> Text and illustrations introduce the big machines such as bulldozers, cranes, cement mixers, and combine harvesters which make man's life easier. 
<br/><br/><label>ISBN: </label>0307118975  2.25 0307618978 (lib. bdg.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery--Juvenile literature.<br/>Machinery.
<br/><br/><label>LC Class. No.: </label>TJ147  / .R45 1984 
<br/><br/><label>Dewey Class. No.: </label>621.8