Klein, H., and Palmer, C.E.: Studies on Dental Caries X. A Procedure for the Recording and Statistical Processing of Dental Examination Findings, J. D. Res. 19: 243, 1940.
2.
Klein, H., Palmer, C.E., and Kramer, M.: Studies on Dental Caries II. Use of the Normal Probability Curve for Expressing the Age Distribution of Eruption of the Permanent Teeth, Growth1: 385, 1937.
3.
Palmer, C.E. , Klein, H., and Kramer, M.: Studies on Dental Caries III. A Method of Determining Posteruptive Tooth Age, Growth2: 149, 1938.
4.
Klein, H., and Palmer, C.E.: Studies on Dental Caries VII. Sex Differences in Dental Caries Experience of Elementary School Children, Pub. Health Rep. 53: 1685, 1938.
