Nellhaus, G. : Head circumference from birth to eighteen years. Practical composite international and interracial graphs. Pediatrics41: 106, 1968.
2.
—: Head circumference growth in North American Negro children . Pediatrics46: 817, 1970.
3.
Kantero, R., and Tiisala, R.: V. Growth of head circumference from birth to 10 years in studies on growth of Finnish children from birth to ten years. Acta Paediatr, Scand. Suppl.220: 27, 1971.
4.
Finnstrom, O. : Studies on maturity in newborn infants. Acta Paediatr. Scand.60: 685, 1971.
5.
Pachauri, S. , and Marwah, S.M.: An anthropometric study of the newborn in Varanasi. Indian J. Pediatrics37: 47053, 1970 .
6.
Illingworth, R.S., and Eid, E.E.: Head circumference in infants and other measurements to which it may be related. Acta Paediatr. Scand.60: 333, 1971.
7.
Bray, P.F., Shields, W.D., Wolcott, G.J., and Madsen, J.A.: Occipitofrontal head circumference—an accurate measure of intracranial volume. J. Pediatrics75: 303, 1969.
8.
Barmeyer, G.H. : Magic, science and head circumference. Rocky MountainMed. J.68: 42, 1971.