1
2
Published 1990
3
Published 1952
4
Published 1986
5
by O'Flaherty, Coleman A.
Published 1974
6
Published 1989
7
by Kassiff
Published 1969
8
9
10
11
Published 1971
12
13
Published 1985
14
by Yang, Nai C. 1917-
Published 1972
15
by Yoder, Eldon J.
Published 1974
16
by Yoder, Eldon J. (Eldon Joseph)
Published 1959
17
Published 1985
18
Published 1974
19
by Mallick, Rajib Basu
Published 2009
20
Published 1989