Chemical phenomena in elementary school science

1966 ◽  
Vol 43 (5) ◽  
pp. 267 ◽  
Author(s):  
Robert Karplus
2009 ◽  
Author(s):  
Erin Winterrowd ◽  
Silvia Canetto ◽  
April Biasiolli ◽  
Nazanin Mohajeri-Nelson ◽  
Aki Hosoi ◽  
...  

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