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2. Personal communication;Belanger,2012
3. A Chicken in Every Yard: The Urban Farm Store's Guide to Chicken Keeping;Litt,2011
4. The Chicken Whisperer's Guide to Keeping Chickens: Everything You Need to Know…and Didn't Know you Needed to Know about Backyard and Urban Chickens;Schneider,2011
5. City Chicks: Keeping Micro-flocks of Chickens as Garden Helpers, Compost Makers, Biol.-Recyclers, and Local Food Producers;Foreman,2010