Van Oss, C.J.; Absolom, D.R.; Neumann, A.W. (1980). ”Applications of net repulsive van der Waals forces between different particles, macro-molecules, or biological cells in liquids”. Colloids and Surfaces 1 (1): sid. 45–56. doi:10.1016/0166-6622(80)80037-0. ISSN0166-6622.
Van Oss, C.J.; Absolom, D.R.; Neumann, A.W. (1980). ”Applications of net repulsive van der Waals forces between different particles, macro-molecules, or biological cells in liquids”. Colloids and Surfaces 1 (1): sid. 45–56. doi:10.1016/0166-6622(80)80037-0. ISSN0166-6622.