00551cas|a2200157 a 450000500170000000800410001703500150005805000200007310000190009324500980011226000530021030000100026349000310027365000140030481000750031820260818084751.0180600s1966    us uu|m rtt   0|  a1eng |  a.b1016410800aGB653bC7 no.120 aSubin Pinkayan10aConditional probabilities of occurrence of wet and dry years :bover a large continental area  aFort Collins :bColorado State University,c1966  a53 p.1 aHydrology papers ;vno. 12 0aHydrology1 aColorado.bState University, Fort Collins.tHydrology papers ;vno. 12