ar X iv : 0 90 3 . 38 84 v 1 [ m at h . A C ] 2 3 M ar 2 00 9 EXTERIOR DEPTH AND EXTERIOR GENERIC ANNIHILATOR NUMBERS

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@inproceedings{Kubitzke2008arXI, title={ar X iv : 0 90 3 . 38 84 v 1 [ m at h . A C ] 2 3 M ar 2 00 9 EXTERIOR DEPTH AND EXTERIOR GENERIC ANNIHILATOR NUMBERS}, author={Martina Kubitzke}, year={2008} }