EDIT

            if (ref.getType().isBook()){

                if (ref.getAbbrevTitle().matches("(Abh|Acad|Act|Akad|Ann|Arch|Ark|"

                            + "Ber|Bergens Mus|Bibliot|Biol\\. Skr|Boll?|Cah\\. Soc|Doc|Dokl|Erd\u00E9sz|"

                            + "Int|Izv|Mem|Mitt|M\u00E9m|Nachr|Novit|Novye Mem|"

                            + "Nuovi Ann|Pract|Proc|Publ|Quad|Razpr|Rec|Repert|Samml|Sitzungsber|"

                            + "Verh)\\.\\s.*") ||

                        ref.getAbbrevTitle().matches("(Acta|Actes|Anais|Analele|Anales|"

                                + "Atti|Daffodil|Florist|Indian|Ionios|Monthly|Naturaleza|Orchidophile|"

                                + "Posebna|Recueil|R[ei]vista|Spicy|Trudy)\\s.*")){

                    continue;

                }

            }