1. Streamflow anomaly patterns in the USA and southern Canada 1951–1970;Bartlein;J. Hydrol.,1982
2. The World Water Balance;Baumgartner,1975
3. Yearly variations in runoff for the conterminous United States;Busby;U.S. Geol. Surv. Water Supply Pap.,1963
4. Paleohydrology of the Nile;Degens,1983
5. On the 11-year solar cycle and river flow;Dyer;Water S. Afr. ZAF,1978