共 4 条
[1]
FRIEDMAN M, 1970, TEXT RES J, V40, P1045
[2]
PARDO CE, 1958, AM DYESTUFF REPT, V47, P333
[3]
WASLEY WL, 1969, Patent No. 3429650
[4]
WHITFIELD RE, 1963, TEXT RES J, V33, P440