Exhibit 3.48

                       CERTIFICATE OF LIMITED PARTNERSHIP
                                       OF
                                [NAME OF ENTITY]

         The undersigned, desiring to form a Texas limited partnership in
accordance with the requirements of the Texas Revised Limited Partnership Act,
Acts 1987, 70th Leg., Ch. 49, effective September 1, 1987, does hereby certify
that:

         1.   The name of the limited partnership is __________________________
               (the "Partnership").

         2.   The address of the Partnership's principal office is ____________
              ________________________________________.

         3.   The address of the Partnership's registered office is ___________
              _____________________________ and the name of the Partnership's
              registered agent at such address is ____________________________.

         4.   The Partnership's general partner is __________________ , a ____
              _______________ corporation, and its mailing and street address
              is _____________________________________________________________.

         5.   The Partnership shall dissolve upon, but not before, the first to
              occur of the following events:

              a)  The dissolution of, bankruptcy of, appointment of a receive
                  for, an assignment for the benefit of creditors by or against,
                  or the institution of similar insolvency proceedings by or
                  against the general partner;

              b)  An election, confirmed in writing, by all of the general
                  partners; or

              c)  ______________________________, 20 __


         IN WITNESS WHEREOF, the Partnership's general partner has executed this
         Certificate of Limited Partnership this ______ day of _________ , ___.


                                                 GENERAL PARTNER
                                                 [NAME]


                                                 By:__________________________


                                                 Attest: _____________________