@article{IJAMCS_2000_10_1_a6,
     author = {Grasman, J.},
     title = {Sustainable {Exploitation} of {Biological} {Populations}},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {123--129},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2000_10_1_a6/}
}