CombS                   The Combinatory Method (s) for the construction
                        of rectangular PBIB designs
CombinS-package         Construction Methods of some Series of PBIB
                        Designs.
GPBIB4A                 The Combinatory Method (s) for the construction
                        of generalized rectangular right angular (4)
                        design with lambda4 = 0
GPBIB4B                 The Combinatory Method (s) for the construction
                        of generalized rectangular right angular (4)
                        design with lambda4 not equal to 0
GPBIB5                  The Combinatory Method (s) for the construction
                        of generalized rectangular right angular (5)
                        design.
GPBIB7A                 The Combinatory Method (s) for the construction
                        of generalized rectangular right angular (7)
                        design with lamda(i) equal to lamda(i+4)
                        (i=1,...,4)
GPBIB7B                 The Combinatory Method (s) for the construction
                        of generalized rectangular right angular (7)
                        design with distinct lamda(i) (i=1,...,7)
UType                   U-type design via some PBIB designs
