TRILOBITEN (PROETIDAE, OTARIONIDAE, PHACOPIDAE) AUS DEM DEVON DES HARZES UND DES RHEINISCHEN SCHIEFERGEBIRGES. (TRILOBITES -PROETIDAE, OTARIONIDAE, PHALOCOPIDAE- DU DEVONIEN DU HARZ ET DU MASSIF SCHISTEUX RHENAN).HELMUT A.1968; BEIH. GEOL. JB.; DEU; 1968, NUM. 0073, P. 1 A 147Miscellaneous

The future of single-authored papersABT, Helmut A.Scientometrics (Print). 2007, Vol 73, Num 3, pp 353-358, issn 0138-9130, 6 p.Article

The reference-frequency relation in the physical sciencesABT, Helmut A.Scientometrics (Print). 2000, Vol 49, Num 3, pp 443-451, issn 0138-9130Article

A publication index that is independent of ageABT, Helmut A.Scientometrics (Print). 2012, Vol 91, Num 3, pp 863-868, issn 0138-9130, 6 p.Article

Evidence that Most Binaries Do not Evolve after the Primaries Reach the Main SequenceABT, Helmut A.Publications of the Astronomical Society of the Pacific. 2009, Vol 121, Num 877, pp 248-250, issn 0004-6280, 3 p.Article

Reference Sources in Research LiteratureABT, Helmut A.Publications of the Astronomical Society of the Pacific. 2009, Vol 121, Num 879, pp 544-548, issn 0004-6280, 5 p.Article

The Origin of the ExoplanetsABT, Helmut A.Publications of the Astronomical Society of the Pacific. 2010, Vol 122, Num 895, pp 1015-1019, issn 0004-6280, 5 p.Article

Observed orbital eccentricities. II. Late-type starsABT, Helmut A.The Astrophysical journal. 2006, Vol 651, Num 2, pp 1151-1154, issn 0004-637X, 4 p., 1Article

Do Astronomical Journals Still Have Extensive Self-referencing?ABT, Helmut A.Publications of the Astronomical Society of the Pacific. 2009, Vol 121, Num 875, pp 73-75, issn 0004-6280, 3 p.Article

Evidence That the Mean Radial Velocities of Many BO-B3 Stars Are Systematically IncorrectABT, Helmut A.Publications of the Astronomical Society of the Pacific. 2008, Vol 120, Num 869, pp 715-719, issn 0004-6280, 5 p.Article

The frequencies of multinational papers in various sciencesABT, Helmut A.Scientometrics (Print). 2007, Vol 72, Num 1, pp 105-115, issn 0138-9130, 11 p.Article

A history of anglo-german glass society collaborationSCHAEFFER, Helmut A.Glass technology. 2006, Vol 47, Num 1, pp 1-6, issn 0017-1050, 6 p.Article

Observed orbital eccentricitiesABT, Helmut A.The Astrophysical journal. 2005, Vol 629, Num 1, pp 507-511, issn 0004-637X, 5 p., 1Article

Have We Reached a Maximum Astronomical Research Output?ABT, Helmut A.Publications of the Astronomical Society of the Pacific. 2010, Vol 122, Num 894, pp 955-958, issn 0004-6280, 4 p.Article

Reviewing and Revision Times for The Astrophysical JournalABT, Helmut A.Publications of the Astronomical Society of the Pacific. 2009, Vol 121, Num 885, pp 1291-1293, issn 0004-6280, 3 p.Article

The Spectral-type Limits of the Barr EffectABT, Helmut A.Publications of the Astronomical Society of the Pacific. 2009, Vol 121, Num 882, pp 811-813, issn 0004-6280, 3 p.Article

The publication rate of scientific papers depends only on the number of scientistsABT, Helmut A.Scientometrics (Print). 2007, Vol 73, Num 3, pp 281-288, issn 0138-9130, 8 p.Article

Tidal effects in binaries of various periodsABT, Helmut A; BOONYARAK, Chayan.The Astrophysical journal. 2004, Vol 616, Num 1, pp 562-566, issn 0004-637X, 5 p., 1Article

Is the relationship between numbers of references and paper lengths the same for all sciences?ABT, Helmut A; GARFIELD, Eugene.Journal of the American Society for Information Science and Technology (Print). 2002, Vol 53, Num 13, pp 1106-1112, issn 1532-2882, 7 p.Article

A modular neurocontroller for creative mobile autonomous robots learning by temporal differenceMAYER, Helmut A.International Conference on Systems, Man and Cybernetics. 2004, isbn 0-7803-8566-7, vol6, 5742-5747Conference Paper

Pharmacokinetics of pinokalant, a new nonselective cation channel blocker in the ratLEUSCH, Andreas; EICHHORN, Bettina; BUSCH, Ulrich et al.Arzneimittel-Forschung. 2001, Vol 51, Num 12, pp 947-954, issn 0004-4172Article

Evolution of cubic spline activation functions for artificial neural networksMAYER, Helmut A; SCHWAIGER, Roland.Lecture notes in computer science. 2001, pp 63-73, issn 0302-9743, isbn 3-540-43030-XConference Paper

The broad-spectrum cation channel blocker pinokalant (LOE 908 MS) reduces brain infarct volume in rats: A temperature-controlled histological studyCHRISTENSEN, Thomas; WIENRICH, Marion; ENSINGER, Helmut A et al.Basic & clinical pharmacology & toxicology (Print). 2005, Vol 96, Num 4, pp 316-324, issn 1742-7835, 9 p.Article

The endocrine and reproductive system: Adverse effects of hormonally active substances?GREIM, Helmut A.Pediatrics (Evanston). 2004, Vol 113, Num 4, pp 1070-1075, issn 0031-4005, 6 p., 2Article

Talsaclidine (WAL 2014 FU), a muscarinic M₁ receptor agonist for the treatment of Alzheimer's diseaseWIENRICH, Marion; CECI, Angelo; ENSINGER, Helmut A et al.Drug development research. 2002, Vol 56, Num 3, pp 321-334, issn 0272-4391, 14 p.Article