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 ### 참고문헌
 * Pope Kim. 셰이더 프로그래밍 입문. 한빛미디어, 2012
 * Feinstein, Doron. HLSL Development Cookbook. Packt, 2013
-* Dirksen, Jos. Learning Three.js - the JavaScript 3D Library for WebGL (Second Edition). Packt, 2015
+* Dirksen, Jos. Learning Three.js - the JavaScript 3D Library for WebGL (Second Edition). Packt, 2015
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