by ELLIS, S. B, WILLIAMS, M. E, SCHWARTZ, A, HARPOL, M. M, WAYS, N. R, BRENNER, R, SHARP, A. H, LEUNG, A. T, CAMPBELL, K. P, MCKENNA, E, KOCH, W. J, HUI, A
Published in Science (American Association for the Advancement of Science) (23.09.1988)