@@ -11,6 +11,10 @@ Properties
 - [PropertiesLoaderSupport](http://codenav.org/code.html?project=/org/springframework/spring-core/1.2.2&path=/Source%20Packages/org.springframework.core.io.support/PropertiesLoaderSupport.java)
 - [PropertiesFactoryBean](https://github.com/spring-projects/spring-framework/blob/master/spring-beans/src/main/java/org/springframework/beans/factory/config/PropertiesFactoryBean.java)
 
+Configuration
+---
+- [Using ImportBeanDefinitionRegistrar](http://www.logicbig.com/tutorials/spring-framework/spring-core/import-bean-registrar/)
+
 General
 ---
 - [spring-notes](https://github.com/zp1024/spring-notes)