Environmental-fluctuations-induced slow-fast cycles in ratio-dependent predator-prey systemsMankin, Romi; Sauga, Ako; Laas, Tõnu; Soika, ErkkiWSEAS transactions on systems2007 / 5, p. 934-941 : ill https://www.researchgate.net/publication/289308978_Environmental-fluctuations-induced_slow-fast_cycles_in_ratio-dependent_predator-prey_systems