共 5 条
[1]
JUNG AF, 1963, J INSURANCE, V30, P575
[2]
1975, INSURANCE MAGAZINE, V76, P19
[3]
1976, BUSINESS WEEK 0816, P55
[4]
1976, BUSINESS WEEK 0816, P58
[5]
1976, BUSINESS WEEK 1025, P129