Riedel H

1977 Walnut Husk Fly Management

Riedel, Helmut, Stephen A. Hoying, C. S. Davis. 1977.

1978 Walnut Husk Fly Management

Riedl, Helmut, S.A. Hoying, Johannes Joos, J.E. DeTar. 1978.

1980 Walnut Husk Fly Management

Riedl, Helmut, R.G. Hislop, Valerie Brown, Joannes Joos.1980.

1979 Walnut Husk Fly Management

Riedl, Helmut, S.A. Hoying, Valerie Brown, Joannes Joos. 1979.

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