The p-Group Generation Algorithm. - E. A. O'Brien (J. Symb. Comput., 1990)

Some new large sets of t-designs. - Earl S. Kramer; Spyros S. Magliveras; E. A. O'Brien (Australas. J Comb., 1993)

Isomorphism Testing for p-Groups. - E. A. O'Brien (J. Symb. Comput., 1994)

A Database of Groups of Prime-power Order. - Gregory Butler; Sridhar S. Iyer; E. A. O'Brien (Softw. Pract. Exp., 1994)

Selecting Base Points for the Schreier-Sims Algorithm for Matrix Groups. - Scott H. Murray; E. A. O'Brien (J. Symb. Comput., 1995)