2.
Logging in Java With the Jdk 1.4 Logging Api and Apache Log4J
by Gupta, Samudra
ISBN: 9781590590997
List Price: $64.99
4.
Logging in Java with the JDK 1. 4 Logging API and Apache Log4j
by Gupta, Samudra
ISBN: 9781430253976
List Price: $24.99