TY  - BOOK
AU  - Halstead,Maurice H.
TI  - Elements of software science
SN  - 0444002057
U1  - 001.6/425 
PY  - 1977///
CY  - New York
PB  - Elsevier
KW  - Computer software
N1  - "Elsevier computer science library."; Includes index; Bibliography: p. 120-124
ER  -