Title:Analytical determination of basic machine-tool settings for generation of spiral bevel gears and compensation of errors of alignment in the cyclo-palloid system
Title:Primera cita de la Argentina de Ophelimus maskelli (Ashmead) (Hymenoptera: Eulophidae) y su parasitoide, Closterocerus chamaeleon (Girault) (Hymenoptera: Eulophidae) / First record of Ophelimus maskelli (Ashmead) (Hymenoptera: Eulophidae) and its parasitoid, Closterocerus chamaeleon (Girault) (Hymenoptera: Eulophidae), in Argentina