Hop Aroma and Flavor http://realbeer.com/hops/aroma.html, 1993.

Jackson, Michael Michael Jackson’s Beer Companion London: Mitchell Beazley, 1993.

Jackson, Michael The New World Guide to Beer New York: Quarto/Apple/Bloomsbury, 1988.

Jackson, Michael Pocket Guide to Beer New York: Simon and Schuster, 1994.

Papazian, Charlie The New Complete Joy of Homebrewing New York: Avon Books, 1984.

Pyle, Norm Norm Pyle's Hops FAQ http://realbeer.com/hops/FAQ.html, 1997.






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