USLB:10.1130/0091-7613(1988)016<0050:MCDFIF>2.3.CO;2 USLB:10.1130/0091-7613(1993)021<0463:MOASMC>2.3.CO;2 USLB:10.1130/0091-7613(2000)028<0343:SIEFLP>2.3.CO;2 USLB:10.1130/B30820.1 USLB:10.1130/G33244.1 USLB:10.1130/G36533.1 USLB:10.1130/G37044.1 USLB:10.1130/G37979.1 USLB:10.1130/G38000.1 USLB:10.1130/GES00896.1 USLB:10.1130/GES00988.1 USLB:10.1130/SPE183-p81