public void addBibtexEntry(BibtexEntry entry) {
if (entry != null) {
String fieldValue = entry.getField(_fieldName);
if (fieldValue != null) {
AuthorList authorList = AuthorList.getAuthorList(fieldValue);
for (int i = 0; i < authorList.size(); i++) {
AuthorList.Author author = authorList.getAuthor(i);
addWordToIndex(author.getLastFirst(true));
addWordToIndex(author.getLastFirst(false));
addWordToIndex(author.getFirstLast(true));
addWordToIndex(author.getFirstLast(false));
}