Flour-mill insects and their control
Dean, G. A.
creator
Cotton, R. T.
Wagner, G. B.
text
xx
Washington
Department of Agriculture
1936
monographic
und
40 p.
by G. A. Dean, R. T. Cotton and G. B. Wagner
Harina
Molinos
Plagas Control de plagas
EUA. Dep. of Agri. Circular; 390
203873
220125
Para_5357