@article{SHEWELL_1970,<br/><span class="tab"></span> title={Humans at Risk},<br/><span class="tab"></span> volume={227},<br/><span class="tab"></span> ISSN={1476-4687},<br/><span class="tab"></span> url={http://dx.doi.org/10.1038/227206c0},<br/><span class="tab"></span> DOI={10.1038/227206c0},<br/><span class="tab"></span> number={5254},<br/><span class="tab"></span> journal={Nature},<br/><span class="tab"></span> publisher={Springer Science and Business Media LLC},<br/><span class="tab"></span> author={SHEWELL,<br/><span class="tab"></span> JENNIFER},<br/><span class="tab"></span> year={1970},<br/><span class="tab"></span> month=jul,<br/><span class="tab"></span> pages={206–207} }