Geng, Chang-An
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Another Way to Demonstrate Lenz's Law:

Zhang, Chang Geng ; Hu, Shi Feng
The Physics teacher.  40 (2002)  4 - p. 249 , 2002
Copies: Zentrale;
 
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2

New Demonstration of Photoelectric Effect:

Chen, Chun Xiao ; Zhang, Chang Geng
The Physics teacher.  37 (1999)  7 - p. 442 , 1999
Copies: Zentrale;
 
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