A.M. Thomson, W.Z. Billewicz, Barbara Thompson, R. Illsley, A.K. Rahman, I.A. McGregor,
A study of growth and health of young children in tropical Africa Transactions of the Royal Society of Tropical Medicine and Hygiene. ,vol. 62, pp. 330- 340 ,(1968) ,
10.1016/0035-9203(68)90083-7