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title = {{Commutativity-based locking for nested transactions}},  journal = {Journal of Computer and System Sciences},  }  @article{Fekete:90,  doi = {10.1016/0022-0000(90)90034-i},  url = {http://dx.doi.org/10.1016/0022-0000(90)90034-I},  year = {1990},  month = {aug},  publisher = {Elsevier {BV}},  volume = {41},  number = {1},  pages = {65--156},  author = {Alan Fekete and Nancy Lynch and Michael Merritt and William Weihl},  title = {{Commutativity-based locking for nested transactions}},  journal = {Journal of Computer and System Sciences},  }