Johnson, D., & Almli, C. R. Age, brain damage, and performance: David Johnson, C. Robert Almli. Recovery from brain damage : research and theory.(1978).

Johnson, David, and C. Robert Almli. "Age, Brain Damage, and Performance: David Johnson, C. Robert Almli." Recovery from Brain Damage : Research and Theory.(1978) .

Johnson, David, and C. Robert Almli. "Age, Brain Damage, and Performance: David Johnson, C. Robert Almli." Recovery from Brain Damage : Research and Theory.(1978), .