Acid-molybdate spray of Hanes & Isherwood
I managed to find a re-print of the paper in question– sadly it seems like Nature are mothballing many old papers (dead/missing links).
There are many acidic-cerium/molybdenum type stains that are used nowadays, many of which are commercially available off the shelf, so you might wish to try these before going after something from 50 years ago. (Cf. CAM stain, Hanlessian's stain)
I think this paper may also have pre-dated silica backed TLC plates, which will undoubtedly give you better separation than paper chromatography.


Taken from Nature (Nature Publishing Group)