Protein : at the heart of the world food problem /
Food and Agriculture Organization of the United Nations.
- Rome : Food and Agriculture Organization of the United Nations, c1964 [reprinted 1967].
- vii, 62 p. : ill. ; 20 cm.
- no. 5 World food problems ; .
"First printed as Chapter III in FAO's report, The state of food and agriculture, 1964."