Published in Halteres, in 2021, in volume 12, pages 1-3

Published in Halteres, in 2021, in volume 12, pages 4-14

Published in HALTERES, in 2021, in volume 12, pages 15-21

Published in Halteres, in 2021, in volume 12, pages 22-24

Published in Halteres, in 2021, in volume 12, pages 25-48

Published in Halteres, in 2021, in volume 12, pages 49-53

Published in Halteres, in 2021, in volume 12, pages 54-60

Published in Halteres, in 2021, in volume 12, pages 61-68

Published in Halteres, in 2021, in volume 12, pages 69-73

Published in Halteres, in 2021, in volume 12, pages 74-79