A Data Description Language Approach to File Translation.

http://doi.acm.org/10.1145/800296.811512 db/conf/sigmod/MertenF74.html Alan G. Merten James P. Fry A Data Description Language Approach to File Translation. 191-205 SIGFIDET74-1/P191.pdf 1974 conf/sigmod/74 SIGMOD Workshop, Vol. 1 db/conf/sigmod/sigmod74-1.html#MertenF74