Kowalchuk G A Ed, Bruijn F J de Ed, Head I M Ed & Akkermans A D L Ed Molecular Microbial Ecology Manual : Vol 2 .-2 nd .-1-4020-2176-3 - 2 nd - Kluwer Acad Pub, Dordrecht, The Netherlands ISBN: 1-4020-2176-3 Dewey Class. No.: G91:5/P04.2/B24564