| title | ISBN-13 | year of publication |
|---|---|---|
| Limiting Steps in Ion Uptake by Plants from Soil | 978-92-0-115566-5 | 1966 |
| Plant Nutrient Supply and Movement | 978-92-0-115265-7 | 1965 |
| State Space Analysis: An Introduction | 978-0-07-064870-8 | 1968 |
| Teachers' Resource Book | 978-0-478-22937-0 | 1976 |
| The Baltic states: A reference book | 978-5-89900-017-1 | 1991 |
| University of Oxford Examination Regulations 2005 | 978-0-19-928374-3 | 2005 |
Eesti Entsüklopeediakirjastus · Government of New Zealand · McGraw-Hill · Oxford University Press