test that we get the same value as excel and , for
108. protected ExternSheetRecord externSheet= null;
1818. for (int k = 0; k < externSheet.getNumOfREFStructures(); k++) {
1835. short indexToSheet = externSheet.getREFRecordAt(num).getIndexToFirstSupBook();
1850. if (externSheetNumber >= externSheet.getNumOfREFStructures())
1853. return externSheet.getREFRecordAt(externSheetNumber).getIndexToFirstSupBook();
1872. while (i < externSheet.getNumOfREFStructures() && !flag){
1873. ExternSheetSubRecord record = externSheet.getREFRecordAt(i);
1898. externSheet.addREFRecord(record);
1899. externSheet.setNumOfREFStructures((short)(externSheet.getNumOfREFStructures() + 1));
1900. result = (short)(externSheet.getNumOfREFStructures() - 1);