1. Whyte, L. L., Nature, 180, 513 (1957).
2. See loc. cit., or “Oxford English Dictionary”, 1933 Supplement, under ‘chirality’.
3. Robert Boyle Lecture (May 16, 1893), printed in “Baltimore Lectures”, Appendix H, p. 439 (1904).
4. Wooster, W. A., “Text Book on Crystal Physics”, 155 (1938). Bunn, C. W., “Chemical Crystallography”, 88 (1946).
5. Mackay, A. L., Acta Crystal., 10, 543 (1957).