public ExternalBookBlock(int numberOfSheets) {_externalBookRecord = SupBookRecord.createInternalReferences((short) numberOfSheets);_externalNameRecords = new ExternalNameRecord[0];_crnBlocks = new CRNBlock[0];}

public ExternalBookBlock(int numberOfSheets){_externalBookRecord = SupBookRecord.CreateInternalReferences((short)numberOfSheets);_externalNameRecords = new ExternalNameRecord[0];_crnBlocks = new CRNBlock[0];}
