Karl J. Springer

发表

Karl J. Springer, Ralph C. Stahman, 1975 .

Karl J. Springer, Richard D. Lawrence, Melvin N. Ingalls, 1978 .

Karl J. Springer, Ralph C. Stahman, 1975 .

Karl J. Springer, Charles T. Hare, Joseph H. Somers, 1974 .

Karl J. Springer, Charles T. Hare, C. Hare, 1973 .

Karl J. Springer, Charles T. Hare, Thomas A. Huls, 1974 .

Karl J. Springer, T. M. Baines, Thomas M. Baines, 1977 .

Karl J. Springer, Charles T. Hare, W. R. Oliver, 1974 .

Karl J. Springer, Ralph C. Stahman, R. C. Stahman, 1968 .

Karl J. Springer, Ralph C. Stahman, R. C. Stahman, 1972 .

Karl J. Springer, Charles T. Hare, W. R. Oliver, 1973 .