By World Health Organization(WHO)
By Allaby, Michael
By Hann, Judith
By Crawshaw, Janet, Chambers, Joan, Brian Close
By Forsythe, W., Goodall, R.M.
By Wess, Julius
By Taylor J.
By J. P. MCEVOY
By na, Maynard, Christopher, Ling, Mary
By Richards, Jon
By Marie Davidian, David M. Giltinan
By Donald, Graeme
By Moriyasu, K
By Arnold, Nick
By Jennifer Coldrey
By Mellanby, Helen
By Harry Ford
By Staudenmaier, H.M.
By Lynn, Denis
By Ringelberg, Joop
By Mondal, Partha Pratim, Diaspro, Alberto
By Czichos, Horst, Saito, Tetsuya, Smith, Leslie M.
By Sabelis, Maurice W., Bruin, Jan
By Le Pichon, Alexis Le Pichon, Elisabeth Blanc, Alain Hauchecorne
By Dyck, V.A., Hendrichs, J., Robinson, A.S.
By Slevin, Mark, McDowell, Garry
By Lebedev, Valery, Shiltsev, Vladimir
By Pitt, Kylie A., Lucas, Cathy H.
By Fairbanks, Carolyn A., Martin Ph.D., Thomas J.