共 9 条
[5]
DESSY RE, 1964, TETRAHEDRON LETT, V21, P1369
[7]
SEYFERTH D, 1965, ANNUAL SURVEYS ORGAN, V1, P3
[8]
SMITH MB, 1965, TETRAHEDRON LETT, V43, P3843
[9]
VREUGDENHIL AD, 1963, RECL TRAV CHIM PAY B, V82, P453