TY - RPRT TI - Pair-edge approximation for heterogeneous lattice population models. AU - Nikkala A Thomson AU - Stephen P Ellner PY - 2003 DO - 10.1016/s0040-5809(03)00088-1 UR - https://pubmed.ncbi.nlm.nih.gov/14522168/ ID - 14522168 ER -