Sommaire du Fascicule no. 1

Contents
A phenomenological non-relativistic two-nucleon potential
p. 3-53
Difference absorption spectra of chlorophyll $\alpha$ in polar and non-polar solvents
p. 55
Note on a normality relation in lattices
p. 59-62
Inversion integrals for the integral transforms involving the Meijer's $G$-function as kernel
p. 63-66
Hilbert transform and its geophysical applications
p. 67-81
On the scattering properties of graphite grains in circumstellar and interstellar space due to temperature variations
p. 83-91

Sommaire du Fascicule no. 2

Contents
Tables of $G(u_s, u_B)$ function for calculation of surface conductivity of semiconductors
p. 3-46
Observations of comets and asteroids at the Kleť observatory in the year 1973
p. 47-56
Reflections and coreflections in generalized orthomodular lattices
p. 57-61
Stable and costable preradicals
p. 63-69
$\Lambda$, $R$-transitive groupoids
p. 71-77
Extensive varieties
p. 79-87
Normal congruence relations on division groupoids
p. 89-95