by Consumer Nutrition Center ; principal investigators: Susan E. Gebhardt ... [et al.]Human Nutrition Information Service, U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off.9999
by Consumer and Food Economics Institute ; principal investigators: Susan E. Gebhardt ... [et al.]Science and Education Administration, U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off.9999