TY - BOOK ID - 130365540 TI - The paradox box : optical illusions, puzzling pictures, verbal diversions AU - Hughes, Patrick AU - Miller, Jonathan PY - 1993 SN - 1870003616 9781870003612 PB - London: Redstone press, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:130365540 AB - ER -