MLA

McGovern, John Neilson, 1908-, Eugene L Keller, and Forest Products Laboratory (U.S.). Sulfite Pulps for High-strength Laminated Paper Plastics: Pulping Variables and Properties of Black Spruce Pulps, Papers, and Plastics. : Madison, Wis. : U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1943.