Winfried O. Gerum
Efficiency in Boolean Expressions
1991, Volume 1991, Issue 1
Winfried O. Gerum
Tips 'n' Tricks
Efficiency in Boolean Expressions
2, Volume 2, Issue 4
ISSN 1072 3226
Darrell W. Simmerman
MUMPS Meeting the Challenge
Boolean Algebra for Structured Data Sets
16, Volume 16, Issue 2/3
ISSN 0193 0885