DOE:10.1657/1523-0430(07-036)[KOKOROWSKI]2.0.CO;2
DOE:10.1657/1523-0430(07-068)[SCHMIDT]2.0.CO;2
DOE:10.1657/1938-4246-44.1.83
DOE:10.1657/1938-4246-44.3.306
DOE:10.1657/AAAR0016-045