TY - GEN AU - Freedman,H I AU - Wolkowicz,G S TI - Predator-prey systems with group defence: the paradox of enrichment revisited SN - 0092-8240 PY - 1987///0629 KW - Animals KW - Appetitive Behavior KW - Mathematics KW - Models, Biological KW - Population Dynamics KW - Predatory Behavior N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1007/BF02462320 ER -