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untextured materials can be expected at B = B ab $_{c2}$/ 2 in the parallel orientation. 

Next we consider the influence of different combinations of γ and α$_{t}$ , which lead to the same γ$_{ρ}$$_{=0}$ = 2 . 4, on the field dependence of J$_{c}$ (Fig. 5). Although the results are slightly changed, the differences are not sufficient to derive these two parameters from J$_{c}$ ( B ) alone, since they are also influenced by the usually unknown percolation threshold, the transport 

