1. Muscles Alive;Basmajian,1972
2. Operative Behandlung der Infantilen Zerebralparesen;Baumann,1970
3. Developmental changes in the femur and acetabulum in spastic paraplegia and diplegia;Beals;Develop. Med. Child Neurol.,1969
4. Surgical management of spastic flexion deformities of the hip with special reference to iliopsoas recession;Bleck;J. Bone Joint Surg.,1971
5. Orthopaedic Management in Cerebral Palsy;Bleck,1979