TY - BOOK AU - Holle Britta TI - Motor development in children: normal and retarded SN - 0632000651 U1 - 155.412 PY - 1976/// CY - Oxford PB - Blackwell Scientific Publications KW - Child KW - Mentally Disabled Persons KW - Motor Activity KW - Child Development N2 - Child Development, Motor Activity, Mentally Disabled Persons, Child ER -