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