Authors: Spassov, S Heller, F Evans, ME Yue, LP Ding, ZL

Citation: S. Spassov et al., The Matuyama/Brunhes geomagnetic polarity transition at Lingtai and Baoji,Chinese Loess Plateau, PHYS CH P A, 26(11-12), 2001, pp. 899-904

Authors: Tsatskin, A Heller, F Gendler, TS Virina, EI Spassov, S Du Pasquier, J Hus, J Hailwood, EA Bagin, VI Faustov, SS

Citation: A. Tsatskin et al., A new scheme of terrestrial paleoclimate evolution during the last 1.5 Ma in the western Black Sea region: Integration of soil studies and loess magmatism, PHYS CH P A, 26(11-12), 2001, pp. 911-916

Authors: Popova, M Bankova, V Spassov, S Tsvetkova, I Naydenski, C Silva, MV Tsartsarova, M

Citation: M. Popova et al., New bioactive chalcones in propolis from El Salvador, Z NATURFO C, 56(7-8), 2001, pp. 593-596

Authors: Spassov, S Heller, F Evans, ME Yue, LP Ding, ZL

Citation: S. Spassov et al., Geomagnetic reversals in the sediments of the Central Chinese Loess Plateau, GEOL CARPAT, 51(3), 2000, pp. 197-197

Authors: Christov, R Bankova, V Elenkov, I Handjieva, N Spassov, S Popov, SS

Citation: R. Christov et al., Stereo effects in the chemical ionization mass spectrometry of galanthamine epimers, EUR MASS SP, 5(2), 1999, pp. 77-80