Ground-water studies : an international guide for research and practice / R. H. Brown, ed. lit..
- Paris : UNESCO , cop. 1973 .
- 78 p. : il. ; 26 cm.
ISBN 92-3-100960-5 (dossier)
Águas subterrâneas
ISBN 92-3-100960-5 (dossier)
Águas subterrâneas