Deletion of IPEV

Comment: see , notability could easily be established with a 20 second google book search. See for example; http://books.google.com/books?id=GFAnPZsdhPsC&pg=PA165 and http://books.google.com/books?id=fRJtB2MNdJMC&pg=PA417
Stance: keep
Cited policy: Wikipedia:Articles for deletion (WP:BEFORE)