Suzuki, U.; Yoshimura, K.; Takaishi, M.: Über ein enzym 'Phytase' das anhydro-oxy-methylen diphosphorsaure' spalter. Bulletin of the College of Agriculture, Tokyo Imperial University, 1907, nro 7, s. 502–512. Artikkelin verkkoversio. (pdf) (englanniksi)
E. J. Mullaney ym.: Positive identification of a lambda gt11 clone containing a region of fungal phytase gene by immunoprobe and sequence verification. Applied Microbiology and Biotechnology, 1.8.1991, 35. vsk, nro 5, s. 611–614. doi:10.1007/BF00169625ISSN 0175-7598Artikkelin verkkoversio. (pdf) (englanniksi) (Arkistoitu – Internet Archive)
E. Rodriguez, Y. Han, X. G. Lei: Cloning, sequencing, and expression of an Escherichia coli acid phosphatase/phytase gene (appA2) isolated from pig colon. Biochemical and Biophysical Research Communications, 2.4.1999, 257. vsk, nro 1, s. 117–123. PubMed:10092520doi:10.1006/bbrc.1999.0361ISSN 0006-291XArtikkelin verkkoversio. (englanniksi)
Eric Rodriguez ym.: Different Sensitivity of RecombinantAspergillus nigerPhytase (r-PhyA) and Escherichia colipH 2.5 Acid Phosphatase (r-AppA) to Trypsin and Pepsinin Vitro. Archives of Biochemistry and Biophysics, May 1999, nro 2, s. 262–267. doi:10.1006/abbi.1999.1184ISSN 0003-9861Artikkelin verkkoversio. (englanniksi)
E. Rodriguez, Y. Han, X. G. Lei: Cloning, sequencing, and expression of an Escherichia coli acid phosphatase/phytase gene (appA2) isolated from pig colon. Biochemical and Biophysical Research Communications, 2.4.1999, 257. vsk, nro 1, s. 117–123. PubMed:10092520doi:10.1006/bbrc.1999.0361ISSN 0006-291XArtikkelin verkkoversio. (englanniksi)
E. Rodriguez, Y. Han, X. G. Lei: Cloning, sequencing, and expression of an Escherichia coli acid phosphatase/phytase gene (appA2) isolated from pig colon. Biochemical and Biophysical Research Communications, 2.4.1999, 257. vsk, nro 1, s. 117–123. PubMed:10092520doi:10.1006/bbrc.1999.0361ISSN 0006-291XArtikkelin verkkoversio. (englanniksi)
Eric Rodriguez ym.: Different Sensitivity of RecombinantAspergillus nigerPhytase (r-PhyA) and Escherichia colipH 2.5 Acid Phosphatase (r-AppA) to Trypsin and Pepsinin Vitro. Archives of Biochemistry and Biophysics, May 1999, nro 2, s. 262–267. doi:10.1006/abbi.1999.1184ISSN 0003-9861Artikkelin verkkoversio. (englanniksi)
E. J. Mullaney ym.: Positive identification of a lambda gt11 clone containing a region of fungal phytase gene by immunoprobe and sequence verification. Applied Microbiology and Biotechnology, 1.8.1991, 35. vsk, nro 5, s. 611–614. doi:10.1007/BF00169625ISSN 0175-7598Artikkelin verkkoversio. (pdf) (englanniksi) (Arkistoitu – Internet Archive)
E. J. Mullaney ym.: Positive identification of a lambda gt11 clone containing a region of fungal phytase gene by immunoprobe and sequence verification. Applied Microbiology and Biotechnology, 1.8.1991, 35. vsk, nro 5, s. 611–614. doi:10.1007/BF00169625ISSN 0175-7598Artikkelin verkkoversio. (pdf) (englanniksi) (Arkistoitu – Internet Archive)
E. J. Mullaney ym.: Positive identification of a lambda gt11 clone containing a region of fungal phytase gene by immunoprobe and sequence verification. Applied Microbiology and Biotechnology, 1.8.1991, 35. vsk, nro 5, s. 611–614. doi:10.1007/BF00169625ISSN 0175-7598Artikkelin verkkoversio. (pdf) (englanniksi) (Arkistoitu – Internet Archive)
E. Rodriguez, Y. Han, X. G. Lei: Cloning, sequencing, and expression of an Escherichia coli acid phosphatase/phytase gene (appA2) isolated from pig colon. Biochemical and Biophysical Research Communications, 2.4.1999, 257. vsk, nro 1, s. 117–123. PubMed:10092520doi:10.1006/bbrc.1999.0361ISSN 0006-291XArtikkelin verkkoversio. (englanniksi)
Eric Rodriguez ym.: Different Sensitivity of RecombinantAspergillus nigerPhytase (r-PhyA) and Escherichia colipH 2.5 Acid Phosphatase (r-AppA) to Trypsin and Pepsinin Vitro. Archives of Biochemistry and Biophysics, May 1999, nro 2, s. 262–267. doi:10.1006/abbi.1999.1184ISSN 0003-9861Artikkelin verkkoversio. (englanniksi)