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Citation: G. Geutjens et al., OBSTETRIC BRACHIAL-PLEXUS PALSY ASSOCIATED WITH BREECH DELIVERY - A DIFFERENT PATTERN OF INJURY, Journal of bone and joint surgery. British volume, 78B(2), 1996, pp. 303-306

Authors: HELSEN K SCHMITTLEIN D

Citation: K. Helsen et D. Schmittlein, UNDERSTANDING PRICE EFFECTS FOR NEW NONDURABLES - HOW PRICE RESPONSIVENESS VARIES ACROSS DEPTH-OF-REPEAT CLASSES AND TYPES OF CONSUMERS, European journal of operational research, 76(2), 1994, pp. 359-374

Authors: HELSEN K SCHMITTLEIN DC

Citation: K. Helsen et Dc. Schmittlein, ANALYZING DURATION TIMES IN MARKETING - EVIDENCE FOR THE EFFECTIVENESS OF HAZARD RATE MODELS, Marketing science, 12(4), 1993, pp. 395-414

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Citation: K. Helsen et al., A NEW APPROACH TO COUNTRY SEGMENTATION UTILIZING MULTINATIONAL DIFFUSION PATTERNS, Journal of marketing, 57(4), 1993, pp. 60-71