1. R.K. Ellis, W. Furmanski, R. Petronzio: Nucl. Phys. B212 (1983) 29
2. T. Sloan: Plenary talk at EPS Conf., Uppsala (1987), preprint CERN EP/87-188; where the most sensitive data to higher twist (σ L ) are presented vs. intrinsic transverse momentumor QCD with mass corrections, either of which is said to be consistent
3. R. Voss: Preprint CERN/EP 87-223; K. Varvell et al. (BEBC WA59): Z. Phys. C—Particles and Fields 36 (1987) 1. Inconsistencies between these data onF 3 and those of EMC-SLAC [41] are claimed, which could disappear taking into account the different expressions for the twist-4 contributions toF 2 andF 3
4. S.P. Luttrell, S. Wada: Nucl. Phys. B197 (1982) 290
5. J.P. de Vries: D. Phil. Thesis, Univ. of Oxford (1987)