Digesta flow models have been based on linear compartment theory that assumes exponential retention times, and on a generalized theory that incorporates nonexponential (Erlang) retention times (Matis, ...

An estimation procedure is presented that may be used to simultaneously estimate the parameters in a multiple equation regression model. The regression models considered are shown to arise from ...

Rev. versions of papers presented at satellite meetings held in 1977 and 1978 in various locations in conjunction with the Second International Congress of Ecology held in Jerusalem during Sept. 1978.