Challenging glass in challenging times

Belis, Jan / Louter, Christian / Nielsen, Jens Henrik et al. | Springer Verlag | 2020

Megaliposuction-Four Years' Experience: Challenging the AACS "2000 Guidelines for Liposuction Surgery"

Zipfel, D. K. | British Library Online Contents | 2001

Challenging times in a challenging world

Queen, Douglas | Wiley | 2008

Providing a Safe Water Supply Proves Challenging

Paolicelli, Thomas G. | Online Contents | 1996

Challenging a Water Quality Based Effluent Limit

Sawyer, B. / Zenz, D. R. / Lue-Hing, C. et al. | British Library Conference Proceedings | 1996