000
00277nam a2200109Ia 4500
001
105330
008
170722s9999 xx 000 0 und d
100
_a
Wolfe, J. N.
245
_a
Cost benefit and cost effectiveness :
_b
Studies and analysis /
260
_c
1973.
942
_c
GEN
999
_c
86745
_d
86745