Piaget, Jean. <br/><br/>
The composition of forces and the problem of vectors / 
by Jean Piaget, with J. Bliss, ..[et al], translated from the French by Marie-France Mackie, edited by Janet M. Jagger and Anthony Orton. 
 - Leeds, [UK] :  Centre for Studies in Science and Mathematics Education, University of Leeds. 
 - 261 p. 
<br/><br/> Translation of: 'La composition des forces et le probleme des vecteures 
<br/><br/><label>ISBN: </label>0904421457 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forces and couples.<br/>Mechanics.