1. Aggregation in simulation models of ecological systems;Luckyanov;Izv. AN SSSR, Tekh. Kibernet.,1981
2. Aggregation of variables in simulation models of water ecosystems;Luckyanov;Ecol. Modelling,1983
3. Matrix Theory;Gantmakher,1967
4. Aggregation error in ecological models;O'Neill;Ecol. Modelling,1978
5. Dynamic changes in terrestrial ecosystems: patterns of change, techniques for study and applications to management,1977