TY  - BOOK
AU  - Symposium on Programming Methodology, Wildbad, IBM Germany, Sept. 25-27, 1974
AU  - Hackl, Clemens E.
TI  - Programming methodology: ; proceedings of the 4th informatik symposium 
U1  - 518.542 
PY  - 1975///
CY  - Berlin
PB  - Springer-Verlag
ER  -