Molecular orientation dependence of ortho-para H2 conversion on Fe(OH)3 cluster induced by hyperfine contact interactionR. Muhida, M. David, M. M. Rahman, W. A. Diño, H. Nakanishi, H. Kasai, K. Fukutani and T. OkanoEur. Phys. J. D, 38 1 (2006) 99-101DOI: https://doi.org/10.1140/epjd/e2006-00039-9