TY - BOOK AU - Moller, Bernhard. AU - Partsch, Helmut. AU - Schuman, Steve. TI - Formal program development: IFIP TC2 / WG 2.1 state of the art report /ed. by Bernhard Moller, Helmut Partsch, Steve Schuman T2 - Lecture Notes in Computer Science SN - 3540574999 U1 - 005.1 PY - 1993/// CY - Berlin PB - S-V ER -