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Book List
3
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Root and tuber crops / by T. Lawrence, J. Toll and D.H. van Sloten.
- IBPGR,
- 1986.
- Rome :
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Institutes conserving crop germplasm : the IBPGR global network of genebanks / by J. Hanson, J.T. Williams and R. Freund.
- IBPGR,
- 1984.
- Rome :
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A world survey of wheat genetic resources / by R.P. Croston and J.T. Williams.
- IBPGR,
- 1981.
- Rome :