Niklaus Wirth
3 references under this name, matched as it is written. Somebody else may write under it too, and the same person may appear here spelled another way.
Program development by stepwise refinement
Niklaus Wirth (1971) · Association for Computing Machinery (ACM)
The Programming Language Pascal
Niklaus Wirth (1971) · Springer Berlin Heidelberg
A contribution to the development of ALGOL
Niklaus Wirth and others (1966) · Communications of the ACM · Association for Computing Machinery (ACM)