1. Managerial Marketing for Industrial Firms;Ames,1984
2. Product Type and the Relative Influence of Buyers in Commercial Construction;Bellizzi;Industrial Marketing Management,1979
3. Organizational Size and Buying Influences;Bellizzi;Industrial Marketing Management,1981
4. How Valid is the Buy-Grid Model;Bellizzi;Industrial Marketing Management,1983
5. How British Industries Buy;Buckner,1967