TY  - BOOK
AU  - Greibach,Sheila
TI  - Theory of program structures: schemes, semantics, verification 
T2  - Lecture notes in computer science;36
SN  - 0387074155
PY  - 1975///
CY  - Berlin, New York
PB  - Springer-Verlag
KW  - Computer programming
KW  - Recursive programming
KW  - Computer programs
ER  -