NSF:10.1043/0004-8038(2001)118(0583:LTRATD)2.0.CO;2
NSF:10.1043/0006-3568(2002)052(0405:RFERFA)2.0.CO;2
NSF:10.1043/0006-3568(2002)052(0555:FSIRLA)2.0.CO;2
NSF:10.1043/1100-9233(2002)013(0245:PDBAEI)2.0.CO;2
NSF:10.1043/1540-7063(2002)042(0776:TSOVZO)2.0.CO;2