Y. Chuma
发表
K. Otsuka,
S. Murata,
Y. Chuma,
1975
.
Kassim H. H. Shemsanga,
Y. Chuma,
S. Uchida,
1983
.
W. McClure,
Y. Chuma,
K. Nakaji,
1982
.
Y. Chuma,
K. Nakaji,
1979
.
T. Shiga,
Y. Chuma,
Y. Hikida,
1977
.
T. Shiga,
K. Morita,
Y. Chuma,
1978
.
M. Iwamoto,
S. Murata,
Y. Chuma,
1969
.
S. Murata,
Y. Chuma,
1969
.
Yutaka Chuma,
Mutsuo Iwamoto,
Touru Shiga,
1978
.
Yutaka Chuma,
Akihiko Nishihara,
Satoshi Murata,
1970
.
M. Iwamoto,
Y. Chuma,
Touru Shiga,
1976
.
M. Iwamoto,
Y. Chuma,
1967
.
M. Iwamoto,
S. Murata,
Y. Chuma,
1969
.
Y. Sugiura,
Y. Chuma,
K. Nakaji,
1978
.
Kassim H. H. Shemsanga,
T. Matsuoka,
Y. Chuma,
1981
.
Yutaka Chuma,
Sumio Kawano,
Kei Nakaji,
1977
.