Pat Gainer described a perfectly good paper developer with Phenidone, ascorbic Acid (health food shop) and Sod. Carb. (pool pH raiser (Bunnings)) Big advantage: it doesn't stain the working area!
Details escape me now but it shouldn't be too hard to find here.
D-72 (Dektol) easily replicated or boughten.
The Oz suppliers are slowly dying. And I don't believe it's our fault. They would rather sell digital stuff.