00611nam a2200181Ia 4500008004100000040001700041041001200058082001600070100001800086245014400104260003600248300002100284500005000305650002000355650001200375650002500387700001700412170706s9999 xx 000 0 und d aCNCI LIBRARY aEnglish a539.74bF84 aFrancis, G.E. aIstopic Tracers: a theoretical and practical mannual for biological students and research workerscG.E. Francis, W. Mulligan and A. Wormall aLondonbThe Athlone Pressc1954 axvi, 306p.; ill. aIncludes bibliographical references and index aAutoradiography aIsotope aRadioactive Isotopes aMulligan, W.