Suppose that you want to do some research on the environmental and pollution
aspects of an accident with chemicals that occurred in Seveso,
Italy, but you don't know when the accident happened, nor what the
You will be able to perform a better search on a journal index if you
first determine more information, like the date of the accident and
the chemicals involved.
Try to find this information now.
NOTE: It would be useful first to determine the year when
occurred. This will help out when we set out to search the journal
literature, since it will establish a year before which we need not look.