Authors: BACKER H MILL A J B

Citation: H. Backer et B. Mill A J, Deep-sea mineral deposits: the present state of knowledge and new developments, Memorie della Societa Geologica Italiana , 27, 1984, pp. 73-84

Authors: BACKER H

Citation: H. Backer, WATER DISINFECTION STRATEGIES FOR CRYPTOSPORIDIUM, Wilderness & environmental medicine, 8(2), 1997, pp. 75-77