Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 43-47
Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 52
Published in Bulletin of the Southern California Academy of Sciences, in 1972, in volume 71, pages 69-80
Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 80-91
Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 91-93
Published in Bulletin of the Southern California Academy of Sciences, in 1972, in volume 71, pages 93-95
Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 106-107
Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 107-108
Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 127-132
Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 145-150
Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 150-157
Published in Bulletin of The Southern California Academy of Sciences, in 1972, in volume 71, pages 159-161