Elkana Yehuda <br/><br/>
Discovery of the conservation of energy 

 - London  Hut chinson Educational          1974 
 - x,213p  cm. 
<br/><br/> Bibliography:  p 199-205; Appendix:  p 175-197 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>C84, L4