| [1] | Contents. |
| 3-12 | The structure of primary modules. Bican, L. |
| 13-19 | Free commutative idempotent abelian groupoids and quasigroups. Ježek, J.; Kepka, Tomáš |
| 21-28 | Observations of coments and asteroids at the Kleť Observatory in the year 1974. Mrkos, A. |
| 29-[48h] | Методика и некоторые результаты теоретических и экспериментальных исследований по распространению сейсмических объемных волн в Чехословакии. Červený, V.; Kozák, J. |
| 49-74 | The character of seismic activity in Europe. Procházková, D. |
| 75-98 | Remarks on tensor products and their applications in quantum theory I. General considerations. Blank, J.; Exner, P. |