224 S.E.2d 674 (1976)
289 N.C. 726
DUKE UNIVERSITY
DUKE UNIVERSITY
v.
Cliff V. CHESTNUT and Mrs. Cliff V. Chestnut.
Supreme Court of North Carolina.
May 3, 1976.James B. Maxwell, for defendants.
Powe, Porter, Alphin & Whichard, for plaintiff.
Petition by defendants for discretionary review under GS 7A-31, 28 N.C.App. 568, 221 S.E.2d 895. Dismissed.