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USAID:10.1645/0022-3395(2000)086[0438:COTATT]2.0.CO;2
USAID:10.1645/0022-3395(2000)086[0983:APTTIR]2.0.CO;2
USAID:10.1645/0022-3395(2002)088[0800:IOTETA]2.0.CO;2