TY  - BOOK
AU  - Bull, L. B.
ED  - Culvenor, C. C. J.
ED  - Dick, A. T.
TI  - Pyrrolizidine alkaloids : their chemistry pathogenicity and other biological properties
U1  - 574.19242 
PY  - 1968///
CY  - Amsterdam
PB  - North Holland
ER  -