1. Five-City Composite of Weekly Food Quantity Purchase Detail, Canada Dominion Bureau of Statistics (1955).
2. Canada Food Balance Sheet, Canada Dominion Bureau of Statistics (1967).
3. Apparent Per Capita Disappearance of Food in Canada, Canada Dominion Bureau of Statistics publications 32-226, (1966).
4. V.F. ZEMEL'OVA, Nauk Zap. Stanislaus'k Med. Inst. No. 3, 249–53, (1959), C.A.,59, 937h (1963).
5. FRANCESCO RUSSO & GIANBATTISTA RACITI, Ann. Sper. agrar. 9, 871–81, (1955), C.A.,49, 16076b (1955).