bslr                    Balanced semi-Latin rectangles for given number
                        of treatments and cell size
bslr.even               Balanced semi-Latin rectangles for given cell
                        size and even number of treatments
bslr.gen                Balanced semi-Latin rectangles for given number
                        of treatments and cell size
bslr.odd                Balanced semi-Latin rectangles of for given
                        cell size and odd number of treatments
pbslr                   Partially balanced semi-Latin rectangles of
                        cell size two, three and four
pbslr.even              Partially balanced semi-Latin rectangles of
                        cell size two, three and four for even number
                        of teratments
pbslr.odd               Partially balanced semi-Latin rectangles of
                        cell size two and three for odd number of
                        teratments
