EDIT

            if (inRef.isJournal()){

                inRefPart = addSeriesAndVolume(reference, inRefPart, isAbbrev);  //usually only needed for journals

            }

    //copied from TitleWithoutYearAndAuthor.getTitleWithoutYearAndAuthorArticle

    //may be somehow merged in future

    private String addSeriesAndVolume(Reference ref, String inRefPart, boolean isAbbrev) {

        String series = Nz(ref.getSeriesPart()).trim();

        String volume = Nz(ref.getVolume()).trim();

        String inRefTitle = ReferenceDefaultCacheStrategy.UNDEFINED_JOURNAL;

        boolean needsComma = false;

        Reference inRef = ref.getInReference();

        if (inRef != null){

            inRefTitle = CdmUtils.getPreferredNonEmptyString(inRef.getTitle(), inRef.getAbbrevTitle(), isAbbrev, true);

            if (isNotBlank(inRefTitle)){

                needsComma = TitleWithoutYearAndAuthorHelper.computeNeedsCommaArticle(inRefPart, volume, series);

                if (! needsComma && (isNotBlank(volume)||isNotBlank(series))){

                    inRefPart += blank;

                }

            }

        }

        inRefPart = TitleWithoutYearAndAuthorHelper.getSeriesAndVolPartArticle(series, volume, needsComma, inRefPart);

        //delete "."

        while (inRefPart.endsWith(".")){

            inRefPart = CdmUtils.removeTrailingDots(inRefPart);

        }

        return inRefPart;

    }