cam a22 u 4500 128579544 CHVBK 20200921055815.0 880212s1978 xxu |b 00 |eng|d UR-3490-1533 (OCoLC)638452544 (NEBIS)000201836 ETH-BIB ger ETH-BIB ETHICS-ISBD Operant behavior of rats exposed before of after weaning to low levels of lead Mikroform Norman F. Angell Washington 1978 2 Microfiches Thesis Univ. Rochester BLEI (CHEMISCHE ELEMENTE) ger (ETHUDK)000017490 ethudk TOXIKOLOGIE ger (ETHUDK)000026897 ethudk u TOXIKOLOGIE ger 615.9 nebis E1 u BLEI (CHEMISCHE ELEMENTE) ger 546.815 nebis E1 u TOXICOLOGIE fre 615.9 nebis E1 u TOXICOLOGY eng 615.9 nebis E1 u PLOMB (ÉLÉMENTS CHIMIQUES) fre 546.815 nebis E1 u LEAD (CHEMICAL ELEMENTS) eng 546.815 nebis E1 Angell Norman F. BK020000 XK020000 XK020000 1 MF Mikrofiche = Microfiche NEBIS E01 E01 RP MIKR: UR34901533 NEBIS 700 1- Angell Norman F.