=LDR 22 4500 =001 3949 =082 04$a551.483 SMI =100 1\$aSmith, Peter, J. =245 10$aThe numerical computation of streamflow and its error using the constant rate injection method of dilution gauging =260 \\$aWallingford, Oxon :$bInstitute of Hydrology,$c1977 =650 \0$aOther =852 \\$bFreeman Library$h551.483 SMI