Protecting Perishable Foods During Transport by Truck, USDA Handbook 669, 1995 Brian Lassen, "Is livestock production prepared for an electrically paralysed world?"
Truy cập ngày 24 tháng 4 năm 2018.  Protecting Perishable Foods During Transport by Truck, USDA Handbook 669, 1995 Brian Lassen, "Is livestock production prepared for an electrically paralysed world?"