Research journal of the Water Pollution Control Federation /  

ZB; Vol. 61. 1989 Nr. 9/10-11/12
ZB; Vol. 62. 1990
ZB; Vol. 63. 1991 Nr. 1-2
ZB; Vol. 63. 1991 Nr. 5-7

Journal of the Water Pollution Control Federation /  

ZB; Vol. 32. 1960 - Vol. 43. 1971
ZB; Vol. 46. 1974 - Vol. 50. 1978
ZB; Vol. 51. 1979 Nr. 1-6
ZB; Vol. 51. 1979 Nr. 10-12
ZB; Vol. 52. 1980 - 60. 1988
ZB; Vol. 61. 1989 Nr. 1-8