Published in Pacific Science, in 1968, in volume 22, issue 4, pages 458-464

Created: 2017-09-10, modified: 2017-09-10

Published in Pacific Science, in 1958, in volume 12, issue 3, pages 255-257

Created: 2017-09-10, modified: 2017-09-10

Published in Pacific Science, in 1959, in volume 13, issue 3, pages 291-294

Created: 2017-09-17, modified: 2017-09-17

Published in Pacific Science, in 1966, in volume 20, issue 1, pages 119-124

Created: 2017-09-17, modified: 2017-09-17

Published in Pacific Science, in 1962, in volume 16, issue 1, pages 57-62

Created: 2017-09-10, modified: 2017-09-10