Toshihide Oka

ESR microscopy of fossil teeth

A. Tani, R. Grün, C. Yamanaka, 1997 .

A HIGH-SENSITIVITY PORTABLE SPECTROMETER FOR ESR DOSIMETRY

M. Ikeya, Toshihide Oka, Nahoko Sugawara, 1996 .

Absolute stereostructures of novel cytotoxic metabolites, penostatins A–E, from a Penicillium species separated from an Enteromorpha alga

A. Numata, K. Minoura, S. Hagishita, 1999 .