共 9 条
[1]
ALLEN WA, 1967, STUDIES ISSUES SMOKI, P63
[2]
BOHRNSTEDT GW, 1969, SOCIOL METHODOL, P113
[3]
EVANS RR, 1968, SMOKING HEALTH BEHAV, P220
[4]
Harris C.W., 1963, PROBLEMS MEASURING C
[5]
HORN D, 1960, CHILDREN, V7, P63
[7]
MORISON JB, 1964, J CANADIAN MEDICAL A, V91, P49
[8]
1969, NY TIMES 0104, P1
[9]
[No title captured]