TY - BOOK AU - Escher,M.C. TI - Escher interactive: exploring the art of the infinite SN - 0500100160 : PY - 1996/// CY - [London] PB - Thames & Hudson N1 - System requirements: Windows 3.1/Windows '95, 486x(25 Mhz), 8 Mb RAM, 640 x 480 x 256 colours, double speed (MPC 2 compatible), 15 Mb, Audio 16 bit; Cover title on box: Thames and Hudson's Escher interactive ER -