cam a22 u 4500 128706392 CHVBK 20200615040835.0 hz ||||-|||| 880212s1980 xxu |b 10 |eng|d AD-A-097589 (OCoLC)637373131 (NEBIS)000252988 ETH-BIB ger ETH-BIB ETHICS-ISBD The Twenty-four hour workday Mikroform proceedings of a Symposium on variations in work-sleep schedules; San Diego - Calif., September 19-23, 1979 ed.: Laverne C.Johnson a.o.; prep.: San Diego State College Foundation, San Diego - Calif VARIATIONS in WORK SLEEP SCHEDULES Springfield - Va. 1980 2 Microfiches. Konferenzschrift San Diego (Calif.) 1979/09 gnd-content Johnson L.C. Symposium on Variations in Work Sleep Schedules (1979 San Diego, Calif.) (DE-588)245635-7 BK020800 XK020000 XK020000 1 MF Andere Mikroform = Autre microforme San Diego (Calif.) Kongress = Congrès 1979/09 NEBIS E01 E01 RP MIKR: ADA097589 NEBIS 700 1- Johnson L.C. NEBIS 711 2- Symposium on Variations in Work Sleep Schedules (1979 San Diego, Calif) (DE-588)245635-7 SWISSBIB 128706392