TY - BOOK AU - Davis, William S AU - Fisher, Richard H TI - COBOL: an introduction to structural logic and modular program design SN - 0-201-01431-9 U1 - 001.6424 21st PY - 1979/// CY - Massachusetts PB - Addison-Wesley KW - Computer science; COBOL (Computer program language); Programming languages(Electronic Computers) ER -