1.
[Place of publication not identified] : [publisher not identified], 2008.
English | IN 4 January 2008 Vol 13 No 1 |
2.
London : Sweet & Maxwell, 1996.
Third edition.
English | F 13 COR.I(3) |
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7.
Geneva, Switzerland : International Union for the Protection of New Varieties of Plants (UPOV), 1992]
English | E 241S21 UPOV.S |
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