TY  - BOOK
AU  - Wallace, T.
AU  - Sirks, M.J.
TI  - Trance elements in plant physiology : a symposium organised by the International Union of Biological Sciences with support of UNESCO at the Rothamsted Experiment al station (on) November5-6, 1947
PY  - 1950///
CY  - Waltham
PB  - Chronica Botanica
ER  -