[J2EE_1.3] J2EE 1.3 Specfication - http://java.sun.com/j2ee/download.html.
[SERVLET_2.3] Java Servlet 2.3 Specfication - http://java.sun.com/products/servlet/download.html.
[JSP_1.2] JavaServer Pages (JSP) 1.2 Specification - http://java.sun.com/products/jsp/download.html .