M. Hempel
发表
P. Sauer,
W. Baerts,
B. Touwen,
1994,
Developmental medicine and child neurology.
M. Hempel,
1993,
Early human development.
B. Touwen,
L. Westra,
M. Hempel,
1992,
Developmental medicine and child neurology.
M. Hempel,
1993
.