TY - BOOK AU - Ehrig Hartmut Ed. ED - International joint conference on theory and practice of software devlopment (1985 : Berlin) TI - Proceeding on mathematical foundations of software development T2 - Lecture notes in computer science; 185 U1 - D65,8(B)92, M5 PY - 1985/// CY - Berlin PB - Springer-Verlag KW - Computer programming ER -