Undo deleted records

Please help and advice.

I have delete records from a live table in error. How can recover them. Please help. Urgent.

http://www.oracle-base.com/articles/8i/LogMiner.php

also you can use flashback query in 9i if you still have them in your undo segments

Thank you - Thank You Guys.

The logmnr saved my life. I managed to recover all records using logmnr. Thanks again.