00477nam a22001337a 4500 230519b |||||||| |||| 00| 0 eng d National Science Library National Science Library 581.33(082.2) L1 Sporollenin / Proceedings of a symposium held at the geology department, Imperial college, London, 23-25 September, 1970 London: Academic Press, 1971 718p. Brooks, J (Ed.) udc PR 32456 32456 0 0 udc 0 581330822_L1 0 49344 NSL NSL GF/Rk-10/C-18/R-6 2023-05-19 0 581.33(082.2) L1 41805 2023-05-19 00:00:00 2023-05-19 PR