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				+### Reading List
			
 
				+- [Firewall](https://en.wikipedia.org/wiki/Firewall_(computing))
			
 
				+- [Reverse Proxy](https://en.wikipedia.org/wiki/Reverse_proxy)
			
 
				+
			
 
				 ##  Mathematics                                                                  
			
 
				 - [Matrix calculus](https://en.wikipedia.org/wiki/Matrix_calculus)               
			
 
				 - [Small-angle approximation](https://en.wikipedia.org/wiki/Small-angle_approximation)