R. Epstein, M. Stonebraker, и E. Wong. Proceedings of the 1978 ACM SIGMOD international conference on management of data, стр. 169--180. New York, NY, USA, ACM, (1978)
R. Epstein, M. Stonebraker, и E. Wong. Proceedings of the 1978 ACM SIGMOD international conference on management of data, стр. 169--180. New York, NY, USA, ACM, (1978)