H. L.
Liste des articles
Vol. 15, 1960/4
Vol. 16, 1961/1
Vol. 16, 1961/1
Vol. 16, 1961/2
Vol. 21, 1966/1
Vol. 21, 1966/2
Vol. 22, 1967/1
Vol. 22, 1967/3
Vol. 23, 1968/3
Vol. 23, 1968/3
Vol. 23, 1968/6
Vol. 25, 1970/3
Vol. 25, 1970/3
Vol. 25, 1970/3
Vol. 26, 1971/5
Vol. 27, 1972/1
Vol. 27, 1972/2
Vol. 27, 1972/4
Vol. 28, 1973/1
Vol. 28, 1973/1
Vol. 28, 1973/3
Vol. 28, 1973/4
Vol. 29, 1974/6
Vol. 32, 1977/1
Vol. 32, 1977/4
Vol. 32, 1977/4
Vol. 37, 1982/3
Vol. 38, 1983/6
Vol. 40, 1985/1
Vol. 48, 1993/5
Vol. 51, 1996/6