TY  - BOOK
TI  - International symposium on the role of sulphur, magnesium and micronutrients in balanced plant nutrition
AV  - QK710 I58 
PY  - 0000///[Date of publication not identified]
CY  - [Place of publication not identified]
PB  - [Publisher not identified]
KW  - Plants
KW  - Nutrition
N1  - Includes bibliographical references
ER  -