Zobrazeno 1 - 10
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pro vyhledávání: '"R. M. Tryon"'
Autor:
R. M. Tryon
Publikováno v:
Pteridophytes and Gymnosperms ISBN: 9783642080807
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cb88055bd550b021042abd19107eda4
https://doi.org/10.1007/978-3-662-02604-5_42
https://doi.org/10.1007/978-3-662-02604-5_42
Autor:
R. M. Tryon, K. U. Kramer
Publikováno v:
Pteridophytes and Gymnosperms ISBN: 9783642080807
The following general remarks on the taxonomy of the pteridophytes at higher levels focus on the systematics of the ferns in a narrower sense, especially on what used to be called the leptosporangiates. The relationships between the classes of the tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be5b5189f679c8f7a2f0df42fc9b6d97
https://doi.org/10.1007/978-3-662-02604-5_3
https://doi.org/10.1007/978-3-662-02604-5_3
Autor:
G. Vitale, R. M. Tryon
Publikováno v:
Botanical Journal of the Linnean Society. 74:243-249
Gametophytes of Asplenium pimpinellifolium Fee and Lygodium heterodoxum Kze., occurring as natural populations in Veracruz, Mexico, were studied with respect to their spacing, size, and number of antheridia and archegonia. Small gametophytes, 0.3-2.2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::581b48ebbdbbab35ed00a1a9244a61f4
https://doi.org/10.1111/j.1095-8339.1977.tb01178.x
https://doi.org/10.1111/j.1095-8339.1977.tb01178.x
Autor:
R. M. Tryon
Publikováno v:
The Elementary School Journal. 34:667-675
Twelve years ago at a conference on desirable adjustments between history and the other social sciences in elementary and secondary schools held in St. Louis on the occasion of the meeting of the American Historical Association, the writer pointed ou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17cdd8fb9bad1da4ebb0687d4435ac5d
https://doi.org/10.1086/457093
https://doi.org/10.1086/457093
Autor:
R. M. Tryon
Publikováno v:
The School Review. 33:428-443
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f552aa3806a56f4a931c25812e7dced
https://doi.org/10.1086/438178
https://doi.org/10.1086/438178
Autor:
R. M. Tryon
Publikováno v:
The Elementary School Journal. 16:491-507
It seems that the junior high school has come to stay. Its rapid growth during the past few years is but one of a number of evidences of dissatisfaction with the present organization of the elementary and high-school grades. Since the movement is yet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fab3d892020b104d79d3e6c97a69f416
https://doi.org/10.1086/454507
https://doi.org/10.1086/454507
Autor:
R. M. Tryon
Publikováno v:
The School Review. 30:467-474
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3be29a7c86160879a3465c773e921159
https://doi.org/10.1086/437608
https://doi.org/10.1086/437608
Autor:
R. M. Tryon
Publikováno v:
The Elementary School Journal. 17:234-249
Economic and political conditions in the two decades next preceding I8Io were on the whole conducive to sustaining and increasing household manufacturing. The uncertain trade relations between the United States and England, the quasi-war with France
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90b13c65eca0a0a7b0260b53f6519e00
https://doi.org/10.1086/454542
https://doi.org/10.1086/454542
Autor:
R. M. Tryon
Publikováno v:
The School Review. 25:293-299
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6974b80b14fcbb8f619079da168e7096
https://doi.org/10.1086/436747
https://doi.org/10.1086/436747
Autor:
R. M. Tryon
Publikováno v:
The School Review. 46:17-31
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed766e6ba51c2c9d2eb4b7a9fc51db07
https://doi.org/10.1086/440172
https://doi.org/10.1086/440172