code: public PRIndirectReference getRefByName(String name) {
          FieldInformation fi = (FieldInformation)fieldByName.get(name);
          if (fi == null) return null;
          return fi.getRef();
      }
docs: Given the title (/T) of a reference, return the associated reference
  @param name a string containing the path
  @return a reference to the field, or null