cam a22 u 4500 128580305 CHVBK 20140824024546.0 he |||||||||| 880212s1980 xxu b 00 eng|d PB-81-109183 AQ-7405-8-D (OCoLC)638497179 (NEBIS)000238657 ETH-BIB ger ETH-BIB ETHICS-ISBD Study of the adequacy of air monitoring Mikroform final report - phase IV by Eugene Shelar, Jr., Ronald E. Ruff ; prep.: SRI International, Menlo Park, Calif Springfield, Va. [s.n.] 1980 3 Microfiches Shelar Eugene Ruff Ronald Edward 1 MF Mikrofiche = Microfiche NEBIS 700 1- Shelar Eugene NEBIS 700 1- Ruff Ronald Edward BK020000 XK020000 XK020000 NEBIS E01 E01 RP MIKR: PB81/109183