TY  - BOOK
AU  - "Hewitt, E.J. & Cutting, C.V., Ed."
TI  - Symposium on Nitrogen Assimilation of plants
U1  - "581.133.1""1977.9.19""(082.2)   L9" 
PY  - 0000///London
CY  - 1979
PB  - Academic Press
ER  -