Michael F. Waxman; David Bardsley; Milovan Beljin; James M. Doesburg; George Losonsky; David Schafer John Wiley & Sons (1999) Saatavuus: Loppuunmyyty Kovakantinen kirja
W.-G. Forssmann; A. J. Jong; J. W. H. Mali; David Reay; H. Schafer; G. Stuttgen; F.A.J. Thiele; H.W. Spier; E. Schwarz Springer-Verlag Berlin and Heidelberg GmbH & Co. KG (1981) Saatavuus: Tilaustuote Kovakantinen kirja
David Schäfer; Hubertus Scherer; Karin Benecke; Johannes Deeken; Carolin Hammer; Carsten Hinz; Vera Kirchner; Ro Löffler Buchner, C.C. Verlag (2020) Saatavuus: Tilaustuote Kovakantinen kirja
Environmental wells are used to monitor, characterize, and remediate contaminated or potentially contaminated sites involving soil or groundwater. Horizontal wells are one of the latest developments in well-digging technology, allowing for improved access to contaminants located beneath buildings, landfills, and other obstacles. This is the first guide to horizontal well techniques to explore in depth its uses in the environment.