@article{Caswell2012,
author = {Caswell, H.},
title= {Matrix models and sensitivity analysis of populations classified by age and stage: a vec-permutation matrix approach},
year = {2012},
doi = {10.1007/s12080-011-0132-2},
journal = {Theoretical Ecology},
volume = {5},
number = {3},
pages = {403--417},
}