# format : a GAP 4 package - References

[CH]
  R. W. Carter and T. O. Hawkes.
  The F-normalizers of a finite soluble group.
  J. Alg., 5:175 -- 201, 1967.
[DH]
  K. Doerk and T. O. Hawkes.
  Finite soluble groups.
  Walter de Gruyter, 1992.
[EW]
  B. Eick and C. R. B. Wright.
  Computing subgroups by exhibition in finite solvable groups
  To appear in J. Symbolic Comp.
[G]
  W. Gasch"utz.
  Zur Theorie der endlichen aufl"osbaren Gruppen.
  Math. Z., 80:300 -- 305, 1963.
[WA]
  C. R. B. Wright.
  An internal approach to covering groups.
  J. Alg., 25:128 -- 145, 1973.
[WB]
  C. R. B. Wright.
  On internal formation theory.
  Math. Z., 134:1 -- 9, 1973.

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