TY - BOOK AU - Baligh,Helmy H. AU - Leon E. Richartz TI - Vertical market structures AV - FCM HF5415.B283 PY - 1967/// CY - Boston PB - : Allyn and Bacon KW - Marketing KW - Vertical KW - Mathematical models KW - Economics KW - mathematical N1 - Includes bibliographical references ER -