@article{Amir1990,
author = {Amir, S. and Cohen, D.},
title= {Optimal reproductive efforts and the timing of reproduction of annual plants in randomly varying environments},
year = {1990},
doi = {10.1016/S0022-5193(05)80250-4},
journal = {Journal of Theoretical Biology},
volume = {147},
number = {1},
pages = {17--42},
}