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- Pyrrolizidine alkaloids - Geneva : WHO , 1989 - 20 s. (Health and safety guide; no. 26) ISBN 92-4-154347-7 [1, currently available 1]
- Chapters, articles
- Pyrrolizidine alkaloids - Geneva : WHO , 1988 - 345 s. (Environmental health criteria; 80) [2, currently available 2]
- Chapters, articles