Barnes, A C
Gall midges of economic importance Vol 2 : Gall midges of cereal crops - London, Crosby Lockwood &son Ltd 1956 - 261 - Agricultural and horticultural series .
Gall midges- Economic importance/ Cereal crops- Gall midges
632.2 BAR
100
Gall midges of economic importance Vol 2 : Gall midges of cereal crops - London, Crosby Lockwood &son Ltd 1956 - 261 - Agricultural and horticultural series .
Gall midges- Economic importance/ Cereal crops- Gall midges
632.2 BAR
100