1. Field Crop Guide for the Atlantic Provinces;Atlantic Provinces,1985
2. Standard methods for examination of water wastewater;APHA,1980
3. Seeds: physiology of development and germination;Bewley,1985
4. Chemical budgets for channel catfish ponds;Boyd;Transaction of American Fishery Society,1985
5. Functions of macrophytes in constructed wetlands;Brix;Water Science and Technology,1994