000
00284nam a2200109Ia 45e0
008
181001s1948 xx 000 0 und d
100
_a
Phelps E.B.
245
0
_a
Public Health Engineering Vol. I.
260
_a
N.Y.
_b
John Wiley
_c
1948
300
_a
655
942
_2
ddc
_c
BK
999
_c
1443
_d
1443