TY  - BOOK
AU  - Williams,Richard Tecwyn
ED  - Biochemical Society Symposium 
TI  - The relation of optical form to biological activity in the amino-acid series : : a symposium held at University college hospital medical school, London, on 15 february 1947 
PY  - 1948///
CY  - Cambridge : 
PB  - University press, 
ER  -