c.d.theory: by subject

Edgar Codd did not solve the atomic structure, at all
- vldm10 (Sat Jul 28 2018 - 23:35:16 CEST)
What Edgar Codd did not solve in RM / T - the first part
- vldm10 (Mon Jul 30 2018 - 00:16:23 CEST)
What Edgar Codd did not solve in RM / T - the second part
- vldm10 (Mon Jul 30 2018 - 14:45:37 CEST)