Algorithm 102: Permutation in lexicographical order. - Günther F. Schrack; M. Shimrat (Commun. ACM, 1962)

Certification of Algorithm 87: Permutation generator. - Günther F. Schrack; M. Shimrat (Commun. ACM, 1962)

Algorithm 112: Position of point relative to polygon. - M. Shimrat (Commun. ACM, 1962)

Algorithm 223: Prime twins. - M. Shimrat (Commun. ACM, 1964)