About Gerda R. Wekerle Gerda R. Wekerle is a professor in the Faculty of Environmental Studies at York University. Books by Gerda R. Wekerle The Oak Ridges Moraine Battles Development, Sprawl, and Nature Conservation in the Toronto Region by (author) L. Anders Sandberg, Gerda R. Wekerle & Liette Gilbert The Oak Ridges Moraine Battles Development, Sprawl, and Nature Conservation in the Toronto Region by (author) L. Anders Sandberg, Gerda R. Wekerle & Liette Gilbert
