TY - BOOK ID - 7971659 TI - Ptolemy's theory of visual perceptio : an English translation of the Optics with introduction and commentary. AU - Ptolemaeus, Claudius. AU - Smith, A. Mark PY - 1996 SN - 0871698625 PB - Philadelphia (Pa.) American philosophical society DB - UniCat KW - Optics KW - Early works to 1800. KW - Early works to 1800 KW - Ptolemy, KW - Optique KW - Perception visuelle KW - Ptolemee (claude), astronome, mathematicien et geographe grec, 90?-168? KW - Histoire UR - https://www.unicat.be/uniCat?func=search&query=sysid:7971659 AB - ER -