TY  - BOOK
AU  - H.F. Barnes
TI  - Gall midges of economic importance V. 4 Gall midges of ornamental plants and shrubs 
U1  - 632.2 
PY  - 1948///
CY  - London
PB  - Crosby Lockwood Sons Ltd
N1  - H.F. Barnes: Gall midges of economic importance V. 4 Gall midges of ornamental plants and shrubs.  London.  Crosby Lockwood Sons Ltd, 1948.--(632.2BAR)
ER  -