Board Thread:Questions and Answers/@comment-94.175.34.243-20130626193059/@comment-1757231-20130628150154

You could IC2 Cross-Breed them, though that would take a REALLY, REALLY, long time Alternatively, you could construct an Alchemical Tome, insert it into your Transmutation Tablet, and then find something with 24 EMC.

If you can't, then I believe there is no other way.