TY - JOUR A1 - Gergis, J. L. A1 - Fowler, A. M. T1 - How unusual was late 20th century El NiƱo-Southern Oscillation (ENSO)? Assessing evidence from tree-ring, coral, ice-core and documentary palaeoarchives, A.D. 1525-2002 JO - Adv. Geosci. J1 - ADGEO VL - 6 SP - 173 EP - 179 Y1 - 2006/02/01 PB - Copernicus Publications SN - 1680-7340 UR - http://www.adv-geosci.net/6/173/2006/ L1 - http://www.adv-geosci.net/6/173/2006/adgeo-6-173-2006.pdf ER -