<p class=MsoNormal>I am currently working on a manuscript on density-dependence
(DD) detection across taxa. I have been unable to find at my university and
from colleagues nearby the old paper by Smith (1935) in which the term DD is
used for the first time to define the population regulation negative feedbacks,
i.e. <span style='color:#C00000'>Smith 1935. The role of biotic factors in the
determination of population densities. Journal of Economic Entomology 28,
873-898. <o:p></o:p></span></p>
<p class=MsoNormal>If you had it available, I would very much appreciate a pdf
copy of this old reference. Many thanks for your time on this request, <a
href="mailto:salvador.herrando-perez@adelaide.edu.au"><span style='text-decoration:
none'>Salva</span></a><o:p></o:p></p>