1. Doyle v. Linn , 574 P. 2d 257 (Colo. 1976)
2. Rozney v. Marnul , 43 Ill. 2d 54 250 N.E. 2d 656 (1969)
3. Jundahl v. Barnett , 468 P. 2d 1164 (Wash. 1971)
4. Ruth v. Dight , 75 Wash. 2d 660, 456 P. 2d 351 (1969)
5. Frazer v. Weeks , 76 Wn. 2d 819, 456 P. 2d 451 (1969)