10.3101/1098-7096-70.1.97
10.3101/1098-7096-70.1.98
10.3101/1098-7096-73.2.77
10.3101/1098-7096-73.2.96
10.3101/1098-7096-73.2.110
10.3101/1098-7096(2006)67[73:AFTOPM]2.0.CO;2
10.3101/1098-7096%282006%29672.0.CO%3B2