2021 || Paperback || LNRS Data Services B.V

2022 || Paperback || Jits Berns || LNRS Data Services B.V

2024 || Paperback || Peter Tomesen || LNRS Data Services B.V

2025 || Paperback || Leon Lubbers || Nextens

2020 || Paperback || Nextens

2022 || Paperback || Leon Lubbers || LNRS Data Services B.V

2023 || Paperback || P. Tomesen || LNRS Data Services B.V

2025 || Paperback || Jits Berns || LNRS Data Services B.V

2025 || Paperback || Peter Tomesen || Nextens

2020 || Paperback || Nextens