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J.H. Los, M.A. Gleeson, W.R. Koppers, T.L. Weeding and A.W. Kleyn, Inelastic scattering of molecules from a liquid polymer surfaces, J. Chem. Phys. 111, 11080-11087 (1999)
M. van der Voort, C.W. Rella, A.F.G. van der Meer, A.V. Akimov and J.I. Dijkhuis, Free-electron laser experiments on Si-H vibrations in a-Si: H, J. Lumin. 83-84, 183-186 (1999)
J.J. Boon, J.H. Townsend and R.R. Jones: Direct temperature resolved mass spectrometric studies of paintings by Sir Joshua Reynolds (1723-1792)In: Proceedings of the 47th ASMS conference on Mass Spectrometry and Allied Topics, Dallas, Texas, June 13-17, 1999 [published on CD-ROM only], ASMS, 1999. - pp. 986-987
E.A. Chatzivasileiadis, J.J. Boon and M.W. Sabelis, Accumulation and turnover of 2-tridecanone in Tetranychus urticae and its consequences for resistance of wild and cultivated tomatoes, Exp. Appl. Acarology 23, 1011-1021 (1999)
B. Groh and B.M. Mulder, Why all crystals need not be bcc: Symmetry breaking at the liquid-solid transition revisited, Phys. Rev. E 59, 5613-5620 (1999)