Number | Name | Date | Kind |
---|---|---|---|
2122607 | Earle | Jul 1938 | |
4064636 | Downing | Dec 1977 | |
4343070 | Wade et al. | Aug 1982 |
Number | Date | Country |
---|---|---|
2041719 | Sep 1980 | GBX |
Entry |
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Derwent Pub. Ltd., London, GB, AN 87-241537 & SU,A,1 283 260 ((COTQ) Ind Res Inst), Abstract, Jan. 15, 1987. |
Derwent Pub. Ltd., London, GB, AN 86-117836 & SU,A,1 183 572 ((AZAG=) Azerb Agric Inst), Abstract, Oct. 7, 1985. |