Published in Contributions in Science, in 1964, in volume 80, pages 1-8

Published in Contributions in Science, in 1964, in volume 81, pages 1-63

Published in Contributions in Science, in 1964, in volume 82, pages 1-35

Published in Contributions in Science, in 1964, in volume 83, pages 1-4

Published in Contributions in Science, in 1964, in volume 84, pages 1-50

Published in Contributions in Science, in 1964, in volume 85, pages 1-8