Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Formeln zur genaeherten Stoerungsrechnung in Bahnelementen. Angewandt auf die Planeten 633 Zelima, 956 [1921 IW], 979 Ilsewa, 1035 Amata und 1049 [1925RB]
STUDIES IN EUPHORBIACEAE AL JUSS., SENS. LAT. 2. A REVISION OF NEOROEPERA MUELL. ARG. & F. MUELL.(OLDFIELDIOIDEAE KÖHLER & WEBSTER, CALETIEAE MUELL. ARG.)