1 EXHIBIT 23 CONSENT OF INDEPENDENT ACCOUNTANTS We consent to the inclusion in this Form 8-K/A No.1 dated December 11, 1997 and incorporation by reference into the Registrant's previously filed Registration Statement on Form S-3 (File No. 333-43641) of our report dated December 30, 1997 on our audit of the combined historical statement of revenues and certain expenses of the 1997 Acquisition V Properties for the year ended December 31, 1996, of our report dated January 9, 1998 on our audit of the combined historical statement of revenues and certain expenses of the 1997 Acquisition VI Properties for the year ended December 31, 1996 and of our report dated January 9, 1998 on our audit of the combined historical statement of revenues and certain expenses of the 1997 Acquisition VII Properties for the year ended December 31, 1996. COOPERS & LYBRAND L.L.P. Chicago, Illinois January 22, 1998 38