Bull, L. B. <br/><br/>
Pyrrolizidine alkaloids : their chemistry pathogenicity and other biological properties 
L.B.Bull, C.C.J.Culvenor and A.T.Dick 
 - Amsterdam  North Holland  1968 
 - xv,293p.;  24cm. 
<br/><br/><label>Dewey Class. No.: </label>574.19242  / BUL