00534nam a22001577a 4500 230512b |||||||| |||| 00| 0 eng d National Science Library National Science Library 550.4:547(05) Advances in organic geochemistry / Proceedings of the Third International Congress Oxford: Pergamon Press, 1970 x, 577p. International series of monographs on earth science Proceedings Hobson, G D (Ed.) udc PR 58288 58288 0 0 udc 0 550454705 0 111112 NSL NSL FF/Rk-2/C-12/R-5 1971-07-09 0 550.4:547(05) 35364 2023-08-08 00:00:00 1971-07-09 PR