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Janecke-Heidelberg, E.; Hoffmann, A., The thiourea + ammonia + water system, Z. Elektrochem. Angew. Phys. Chem., 1932, 38, 880-3. [all data]

Semmler, F.W.; Hoffmann, A., Ber. Dtsch. Chem. Ges., 1907, 40, 3521. [all data]

Semmler, F.W.; Hoffmann, A., Ber. Dtsch. Chem. Ges., 1904, 37, 234. [all data]

Wahl, H.G.; Hoffmann, A.; Luft, D.; Liebich, H.M., Analysis of volatile organic compounds in human urine by headspace gas chromatography-mass spectrometry with a multipurpose sampler, J. Chromatogr. A, 1999, 847, 1-2, 117-125, https://doi.org/10.1016/S0021-9673(99)00017-5 . [all data]

Wahl, H.G.; Liebich, H.M.; Hoffmann, A., Identification of fatty acid methyl esters as minor components of fish oil by multidimensional GC-MSD: New furan fatty acids, J. Hi. Res. Chromatogr., 1994, 17, 5, 308-311, https://doi.org/10.1002/jhrc.1240170505 . [all data]

Wahl, H.G.; Hoffmann, A.; Häring, H.-U.; Liebich, H.M., Identification of plasticizers in medical products by a combined direct thermodesorption-cooled injection system and gas chromatography-mass spectrometry, J. Chromatogr. A, 1999, 847, 1-2, 1-7, https://doi.org/10.1016/S0021-9673(99)00138-7 . [all data]

Hoffmann, A.; Heiden, A., Flavor profiling of different olive oils with rancidity-monitoring by thermal extraction GC/MS, Proceedings, 23rd ISCC; CD-ROM, 2000, retrieved from http://www.richrom.com/assets/CD23PDF. [all data]

Wahl, H.G.; Chrzanowski, A.; Liebich, H.M.; Luft, D.; Hoffmann, A.; Rogies, F., Quantification of 4-heptanone in urine by headspace GC-MS analysis using a multipurpose sampler, 1995, retrieved from http://www.gerstel.com/an-1995-01.pdf. [all data]

Wahl, H.G.; Chrzanowski, A.; Luft, D.; Häring, H.-U.; Hoffmann, A., The use of a multipurpose sample for headspace GC-MS analysis of volatile organic compounds in human urine and plasma, 1996, retrieved from http://www.gerstel.com/an-1996-05.pdf. [all data]

Wahl, H.G.; Chrzanowski, A.; Liebich, H.M.; Luft, D.; Hoffmann, A.; Rogies, F., Quantification of 4-heptanone in urine by headspace GC-MS analysis using a multipurpose sampler, 1995, retrieved from http://www.gerstel.com/an-1995-01.pdf. [all data]

Wahl, H.G.; Chrzanowski, A.; Liebich, H.M.; Hoffmann, A., Identification of furna fatty acids in nutritional oils and fats by multi-dimensional GC-MSD, 1994, retrieved from http://www.gerstel.com/an-1994-06.pdf. [all data]

MacNamara, K.; Hoffmann, A., Gas chromatographic technolohy in analysis of distilled spirits in Instrumental Methods in Food and Beverage Ananlysis, Wetzel, D.; Charalambous, G., ed(s)., Elsivier, 1998, 303-327. [all data]

Schoch, E.P.; Hoffmann, A.E.; Mayfield, F.D., Solubility of methane in n-hexane, Ind. Eng. Chem., 1941, 33, 688-91. [all data]

Schoch, E.P.; Hoffmann, A.E.; Mayfield, F.D., Solubility of methane in cyclohexane, Ind. Eng. Chem., 1940, 32, 1351-1353. [all data]

Schoch, E.P.; Hoffmann, A.E.; Kasperik, A.S.; Lightfoot, J.H.; Mayfield, F.D., Solubility of methane in benzene, Ind. Eng. Chem., 1940, 32, 788-791. [all data]

Shoch, E.P.; Hoffmann, A.E.; Mayfield, F.D., Solubility of methane in cyclohexane, Ind. Eng. Chem., 1940, 32, 1351-3. [all data]

Hoffmann, A.E., P-v-t-x relations of the methane + n-hexane system, Ph.D. Dissertation, Univ. of Texas, Austin, TX, 1940. [all data]

Hoffmann, A.W., Researches Regarding Molecular Constitution of the Volatile Org. Bases, J. Chem. Soc., 1850, 3, 279. [all data]