Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 53-55
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 188-191
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 263-266
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 260-262
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 90-94
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 235-237
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 77-89
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, issue 12, pages 398-405
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 317-326
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 240-243
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 27
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 8-14
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 362-372
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 192-198
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 60-63
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 294-300
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, issue 7, pages 230-234
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 358-361
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, issue 4, pages 115-118
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 22-26
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 28-32
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 38-43
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 56-62
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 160-168
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 169-175
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 186-187
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 267-270
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 285-293
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 394-396
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 49, pages 261-8
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 48-52
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 95-99
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 100-108
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 113-114
Published in Journal of the Washington Academy of Sciences, in 1958, in volume 48, issue 4, pages 119-126
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 127-131
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 153-157
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 238-239
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 301-304
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 309
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 387-388
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 389-393
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 18-21
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 21-23
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 64-66
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 89-91
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 127-128