N4494, N4565 gclf: Fleming, David E. B.; Harris, William E.; 
                   Pritchet, Christopher J.; Hanes, David A.
                   AJ 109, 1044 (1995)


MW, M31 gclf:      Racine and Harris, AJ, 104, 1068 (1992)

SN Ia decline:     Hamuy et al., AJ 112, 2391 (1996)

BCG diagram:       Collins and Mann, MNRAS, 297, 128 (1998)

Tully-Fisher:      Neistein et al., AJ, 117, 2666 (1999)