1. "A Survey of Generalized Data Base Management Systems " CODASYL Systems Committee May 1969. Available from ACM New York City and IEIP Administrative Data Processing Group Amsterdam at $7.00 prepaid "A Survey of Generalized Data Base Management Systems " CODASYL Systems Committee May 1969. Available from ACM New York City and IEIP Administrative Data Processing Group Amsterdam at $7.00 prepaid
2. "Feature Analysis of Generalized Data Base Management Systems." CODASYL Systems Corn mittee April 1973 Available from ACM. New York City: British Compurer Society London and IFIP Administrative Data Processing Group Amsterdam. "Feature Analysis of Generalized Data Base Management Systems." CODASYL Systems Corn mittee April 1973 Available from ACM. New York City: British Compurer Society London; and IFIP Administrative Data Processing Group Amsterdam.
3. CODASYL Data Base Task Group Report. Available from ACM New York City and IFIP Administrative Data Processing Group. Amsterdam. CODASYL Data Base Task Group Report. Available from ACM New York City and IFIP Administrative Data Processing Group. Amsterdam.
4. CODASYL COBOL Journal of Development 1969. Number ll0-GP-la April 1970. Available from Canadian Government Specifications Board Ottawa Canada. CODASYL COBOL Journal of Development 1969. Number ll0-GP-la April 1970. Available from Canadian Government Specifications Board Ottawa Canada.