00707nam a22002411a 4500 866058 BD-DhUL 20140930115857.0 851113s1953 enk 0 eng d NUN eng NUN NUN:M BD-DhUL 539.752 CHR Chadwick, James, Sir, 1891- Radioactivity and radioactive substances / by Sir J.Chadwick; rev. and supplemented by J.Rotblat. 4th ed. London : Pitman, 1953. xv, 120 p.: ill. ; 18 cm. Includes index. Radioactivity. Radioactive substances. Rotblat, J. ddc BK ANL 539.7 CHA 13889 13889 0 0 ddc 0 539_752000000000000_CHR 0 NFIC 24911 DUSL DUSL GEN 1957-11-04 Purchased 539.752 CHR A22029(d) 2014-09-30 2014-09-30 BK 0 0 ddc 0 539_752000000000000_CHR 0 NFIC 24914 DUSL DUSL GEN 1958-12-30 Gift 539.752 CHR A6416 2014-09-30 2014-09-30 BK