Home > Node > Subnode Is qualia necessary? Witkowska, M. Annales Academiae Medicae Stetinensis 2013: 141-1572013ISSN/ISBN: 1427-440X PMID: 24669432 Document Number: 668611 Document emailed within 1 workday Purchase for $29.90 Secure & encrypted paymentsRelated DocumentsGregory, R.L. 1989: Questions of quanta and qualia: does sensation make sense of matter--or does matter make sense of sensation? Part 2 Perception 18(1): 1-4