The Nets scored 15 unanswered points to start the fourth quarter and held off a late Hawks rally.
Josh Smith had a game-high 34 to lead Atlanta, which has lost four straight. Marvin Williams had 18 points and eight rebounds, Josh Childress had 16 points and seven rebounds, and Anthony Johnson had 14 points and 10 assists for the Hawks.
Atlanta trailed by only two points, at 105-103, with 1:06 left to play after an 8-0 run.
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