Added Info PHOTO TECHNIQUES Jan-Feb 1999 (v.20#1) pg. 56
User test of the Beseler/Tetenal RA-4 AT (ambient temperature) color print processing kit.
DARKROOM & CREATIVE CAMERA TECHNIQUES May-Jun 1995 (v.16#3) pg. 32
Controlling Cibachrome contrast. A user test of the K-2 Processing Kit from Dye Chrome Research Co.
DARKROOM PHOTOGRAPHY Apr 1990 (v.12#4) pg. 22
User test of Beseler's RA4-AT (ambient temperature) chemistry for color prints. Includes tips on use.
INDUSTRIAL PHOTOGRAPHY Feb 1994 (v.43#2) pg. 8
Differences between the old EP-2 process chemistry and the present RA-4 process chemistry for color negative prints.
PHOTO TECHNIQUES Jul-Aug 1997 (v.18#4) pg. 14
Generic RA-4 divided developer formulas.
PHOTO TECHNIQUES Jul-Aug 1997 (v.18#4) pg. 62
Formula for the Beer's variable-contrast A/B print developer. Offered as a substitution for use with Ilfochrome Classic color print paper.
PHOTO TECHNIQUES Sep-Oct 1997 (v.18#5) pg. 16
Tip on mixing of developer concentrates for RA-4 to take advantage of the benefits of all-liquid photochemistry.
PHOTO TECHNIQUES Jul-Aug 1998 (v.19#4) pg. 22
Tip on complete dissolving (mixing) of CD-4 developing agent in order to avoid blue streaks on color prints.
PHOTO TECHNIQUES Sep-Oct 1998 (v.19#5) pg. 23
Added Info PHOTO TECHNIQUES Nov-Dec 1998 (v.19#6) pg. 19 (Alternative solution)
Tip on adapting RA-4 developer to process obsolete EP-2 color paper.
PHOTO TECHNIQUES May-Jun 1999 (v.20#3) pg. 51
User test of Dye Chrome K-2 chemistry for Cibachrome materials.
PHOTOMETHODS Aug 1990 (v.33#8) pg. 18
User test of Kodak and Beseler RA-4 process color paper, chemistry and equipment.
PHOTOMETHODS Sep 1990 (v.33#9) pg. 34