Karyomorphology of some Myrtaceae from SingaporeKazuo Oginuma, Shawn K. Y. Lum, Y. H. Lee, Hiroshi Tobe · First published 1992Open the Tome
A cladistic analysis of Circaea (Onagraceae)David E. Boufford, Jorge Victor Crisci, Hiroshi Tobe, Peter C. Hoch · First published 1990Open the Tome
