ID:DA07667029
De Ong, E. R.
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by E. R. de Ong
Reinhold , Charles E. Tuttle 1962 2nd ed. (Modern Asia ed.)
Available at 38 libraries
by E.R. de Ong
Reinhold c1956 2nd ed. of "Chemistry and uses of insecticides"
Available at 6 libraries
by E.R. De Ong
Chemical Publishing c1953
Available at 4 libraries
Reinhold 1948
Available at 25 libraries
by E.R. De Ong and H.E. Woodworth
[California State Dept. of Agriculture] [1921]
Available at 1 libraries
