xix
Acknowledgements
Finally, Pat would fi nally like to thank colleagues who have been integral in fi eld
and laboratory work: Yvonne Sadovy, Michael Domeier, Terry Donaldson, Don
Demaria, Ileana Clavijo, Doug Shapiro, Debbie Weiler, Charlie Arneson, Paul
Collins, Mandy Etpison, and Bert Yates. Lori Jane Bell Colin has provided major
support and assistance over 30 years towards work on aggregations, as well as many
other subjects.
Acknowledgements
Finally, Pat would fi nally like to thank colleagues who have been integral in fi eld
and laboratory work: Yvonne Sadovy, Michael Domeier, Terry Donaldson, Don
Demaria, Ileana Clavijo, Doug Shapiro, Debbie Weiler, Charlie Arneson, Paul
Collins, Mandy Etpison, and Bert Yates. Lori Jane Bell Colin has provided major
support and assistance over 30 years towards work on aggregations, as well as many
other subjects.