@article (sample, key="Polar",
         title="Polar Bears in Tropical Climates:  Will They
            Still Be White?",
         journal="Animals Are Our Friends",
         year="1985",
         author="Roger Zee")

@book (sample2, Key="Scribe",
          Author="Unilogic",
          Title="SCRIBE Document Production System User Manual",
          Publisher="Unilogic, Ltd",
          Year="1985")