Some appropriate titles might be:
<TITLE>Article by Rivest and Neuman. 1989(b)</TITLE>or
<TITLE>Introduction to MIME types </TITLE>Examples of inappropriate titles are those which are not meaningful without the related document,
<TITLE>Introduction</TITLE>or those that are too long,
<TITLE>Remarks on the Quantum-Gravity effects
of "Bean Pole" diversification in Mononucleosis
patients in Developing Countries under Economic
Conditions Prevalent during the Second half of the
Twentieth Century, and Related Papers: a
Summary</TITLE>