Fengde Chen Xiangdong Xie Zhong Li 0003 Partial survival and extinction of a delayed predator-prey model with stage structure. 4157-4162 2012 219 Appl. Math. Comput. 8 https://doi.org/10.1016/j.amc.2012.10.055 https://www.wikidata.org/entity/Q115598521 db/journals/amc/amc219.html#ChenXL12