00695nam a2200241 4500 72067 BD-RjUL 20211209082216.0 170513r19481942enkao 001 0 eng d (BD-RjUL)72283 BD-RjUL eng BD-RjUL eng 23 541.2 ASM 1948 Aston, Francis William, 1877-1945 213138 Mass spectra and isotopes / by F.W. Aston 2nd ed London : Arnold, 1942, [Reprinted 1948] xii, 276 p. : ill. ; 22 cm Includes bibliographic and indexes Isotopes 213139 Mass spectrometry 213140 ddc BK 72067 72067 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1957-09-21 Publisher ltd. 20.50 0 541.2 ASM 1948 2017-05-13 00:00:00 C-1 2017-05-13 BK 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1958-11-29 Colombo plan 0.00 0 541.2 ASM 1948 2017-05-13 00:00:00 C-2 2017-05-13 BK