S. A. Gomez, F. Moscardi, and D. R. S. Gomez, “Spodoptera frugiperda susceptibility to nuclear polyhedrosis virus geographical isolates”, PAB, vol. 34, no. 9, pp. 1539–1544, Sep. 1999, doi: 10.1590/S1678-3921.pab1999.v34.5400.