.ptitle {
	font-weight: bold;
	font-family:Verdana, Arial, Helvetica, sans-serif;
}
.pauthors {
	font-family:Verdana, Arial, Helvetica, sans-serif;
}
.pyear {
	font-family:Verdana, Arial, Helvetica, sans-serif;
}
.pref {
	font-family:Verdana, Arial, Helvetica, sans-serif;
	font-style:italic;
}
.pcat {
	color:#006600;
}