International Mine Water Association

Bish, G. M. (1987): Laminar Flow through Unconsolidated Packer Beds of Spherical and Non-Spherical Material. – Int. J. Mine Water, 6 (3): 1-24a, 5 fig., 1 tab.; Budapest.

Wang, M. & Li, J. (1987): Technology of Mine Water Control in China. – Int. J. Mine Water, 6 (3): 25-38, 7 fig.; Budapest.

Fernández-Rubio, R., Fernández-Lorca, S. & Esteban Arlegui, J. (1987): Preventive Techniques for Controlling Acid Water in Underground Mines by Flooding. – Int. J. Mine Water, 6 (3): 39-52, 11 fig.; Budapest.