cam a22 u 4500 128679123 CHVBK 20200921070024.0 880212s1974 xxu | 00 |eng|d PB-238487 EPA-660-3-74-019 (OCoLC)834576312 (NEBIS)000252062 ETH-BIB ger ETH-BIB ETHICS-ISBD Research and development of a selective algaecide to control nuisance algal growth B.L.Prows, W.F.McIlhenny; prep.: Pacific Northwest water Laboratory - Water quality Office - Environmental protection Agency, Corvallis - Ore Washington 1974 IX, 221 p. fig.; tab.; diagr. Ecological research series [PB-238 487] CYANOBACTERIA (MIKROBIOLOGIE) ger (ETHUDK)000023603 ethudk HERBIZIDE (PFLANZENSCHUTZ) ger (ETHUDK)000031390 ethudk HERBIZIDWIRKUNGSWEISE + HERBIZIDSELEKTIVITÄT ger (ETHUDK)000031395 ethudk u CYANOBACTERIA (MIKROBIOLOGIE) ger 579.8,111.110 nebis E1 u HERBIZIDE (PFLANZENSCHUTZ) ger 632,631.4 nebis E1 u HERBIZIDWIRKUNGSWEISE + HERBIZIDSELEKTIVITÄT ger 632,631.4.025.7 nebis E1 u CYANOBACTERIA (MICROBIOLOGIE) fre 579.8,111.110 nebis E1 u CYANOBACTERIA (MICROBIOLOGY) eng 579.8,111.110 nebis E1 u HERBICIDES (PLANT PROTECTION) eng 632,631.4 nebis E1 u HERBICIDES (PROTECTION DES PLANTES) fre 632,631.4 nebis E1 u HERBICIDE MODE OF ACTION + HERBICIDE SELECTIVITY eng 632,631.4.025.7 nebis E1 u MODES D'ACTION DES HERBICIDES + SÉLECTIVITÉ DES HERBICIDES fre 632,631.4.025.7 nebis E1 Prows B.L. McIlhenny W.F. BK020000 XK020000 XK020000 NEBIS E17 E17 E17BI PER 298: 660/3-74-019 NEBIS 490 -- Ecological research series NEBIS 490 -- [PB-238 487] NEBIS 700 1- Prows B.L. NEBIS 700 1- McIlhenny W.F.