TY  - BOOK
AU  - Nicholas  D N D
AU  - Egan, A R
AU  - Nicholas, D N D
AU  - Egan A R
AU  - Nicholas  D N D
TI  - Trace Elements in Soil Plant Animal Systems
U1  - 574.133/NIC 
CY  - New York
PB  - Academic Press
KW  - Animal
KW  - Elements
KW  - Plant
KW  - Soil
KW  - Systems
KW  - Trace
ER  -