cam a22 u 4500 12873275X CHVBK 20200615034621.0 hz ||||-|||| 880212s1980 xxu |b 10 |eng|d PB-81-124547 PB-81-134539 EPA-600-9-80-046-A EPA-600-9-80-046-B (OCoLC)820800075 (NEBIS)000242455 ETH-BIB ger ETH-BIB ETHICS-ISBD Proceedings: First national symposium/workshop on rotating biological contactor technology Mikroform Champion - Pa., February 4-6, 1980 : also: RBC technology ed.: Ed.D.Smith, R.D.Miller, Y.C.Wu also: Y.C.Yu; prep.: University of Pittsburgh; Department of civil engineering, Pittsburgh - Pa PROCEEDINGS NATIONAL SYMPOSIUM/WORKSHOP on ROTATING BIOLOGICAL CONTACTOR TECHNOLOGY SYMPOSIUM/WORKSHOP on ROTATING BIOLOGICAL CONTACTOR TECHNOLOGY ROTATING BIOLOGICAL CONTACTOR TECHNOLOGY RBC TECHNOLOGY WORKSHOP on ROTATING BIOLOGICAL CONTACTOR TECHNOLOGY Springfield - Va. 1980 2 vol. 17 Microfiches Konferenzschrift Champion (PA) 1980/02 gnd-content Wu y.C. Yu y.C. Smith E.D. Miller R.D. National Symposium/Workshop on Rotating Biological Contactor Technology (1 1980 Champion, PA) (DE-588)1091137862 BK020800 XK020000 XK020000 1 MF Andere Mikroform = Autre microforme Champion (PA) Kongress = Congrès 1980/02 NEBIS E01 E01 RP MIKR: PB81/124539 NEBIS 700 1- Wu y.C. NEBIS 700 1- Yu y.C. NEBIS 700 1- Smith E.D. NEBIS 700 1- Miller R.D. NEBIS 711 2- National Symposium/Workshop on Rotating Biological Contactor Technology (1 1980 Champion, PA) (DE-588)1091137862