Modeling choice among assortments / Barbara E. Kahn, Donald R. Lehmann.
- Philadelphia, Pa. : Wharton School, University of Pennsylvania, Marketing Dept., 1991.
35 leaves ; 28 cm.
- Working paper (Wharton School. Marketing Dept.) ; no. 91-007.
Working paper / Wharton School, University of Pennsylvania, Marketing Dept. ; no. 91-007