TY  - BOOK
TI  - A Guide to the use of nitrogen-15 and radioisotopes in studies of plant nutrition: calulations and interpretation of data
U1  - 363.735 GUI 1983 
PY  - 1983///
CY  - Vienna
PB  - IAEA
KW  - Çevresel sorunlar
KW  - Kirlilik
KW  - Toplumsal eylem
KW  - Toplumsal sorunlar
ER  -