Warren, J. W. <br/><br/>
Understanding force :   an account of some aspects of teaching the idea of force in school,college and university courses in engineering,m athematics and science /  
J. W. Warren 
 - London :   John Murray ,   1979 
 - vi, 64 p. :    ill. ;    22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Force and energy --Study and teaching------
<br/><br/><label>Dewey Class. No.: </label>531.11307 WAR