Groundwater and seepage symposium, Auckland, May 1990 /
organising Committee Trevor Matuschka ... [et al.] ; sponsorship Brian Perry ... [et al.]
- Wellington : The Institution of Professional Engineers, 1990
- 185 p. : ill. ; 30 cm.
- Proceedings of Technical Groups v.16 01119532 ; .
- Proceedings of Technical Groups v.16 .