R. W. Armstrong, P. A. Tempest, and J. F. Cargill, “Microchip Encoded Combinatorial Libraries: Generation of a Spatially Encoded Library from a Pool Synthesis The Solid-Phase Synthesis of Complex Small Molecules”, Chimia, vol. 50, no. 6, p. 258, Jun. 1996, doi: 10.2533/chimia.1996.258.