TY - JOUR AU - L. Sanz AU - J. A. Alonso TI - Approximate Aggregation Methods in Discrete Time Stochastic Population Models JO - Mathematical modelling of natural phenomena PY - 2010 SP - 38 EP - 69 VL - 5 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20105603/ DO - 10.1051/mmnp/20105603 LA - en ID - MMNP_2010_5_6_a2 ER -