| 981 |
Toxicity of certain insecticides to potato tuberworm, Phthoremea operculella (Zeller.) |
1987 |
| 982 |
Toxicity of certain insecticides to potato tuberworm, Phthoremea operculella (Zeller.) |
1987 |
| 983 |
Toxicity of certain insecticides to the potato tuberworm Phthorimaea operculella (Zeller) |
1987 |
| 984 |
Toxicity of certain insecticides to the potato tuberworm Phthorimaea operculella (Zeller) |
1987 |
| 985 |
Toxicity of certain insecticides to the potato tuberworm Phthorimaea operculella (Zeller) |
1987 |
| 986 |
Toxicity of certain insecticides to the potato tuberworm, Phthorimaea operculella Zeller |
1987 |
| 987 |
Toxicity of certain insecticides to the potato tuberworm, Phthorimaea operculella Zeller |
1987 |
| 988 |
Toxicity of certain insecticides to the potato tuberworm, Phthorimaea operculella Zeller |
1987 |
| 989 |
Two years and two methods of the sand termite control tests |
1987 |
| 990 |
Weasel Ectoparasites and its feeding behaviour. Egypt |
1987 |
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