C. S. Houston

Techniques for application of faecal DNA methods to field studies of Ursids

S. Wasser, S. Fain, G. Koehler, 1997, Molecular ecology.

The cloning and sequencing of the genes encoding phytase (phy) and pH 2.5-optimum acid phosphatase (aph) from Aspergillus niger var. awamori.

H. Nevalainen, M. Paloheimo, M. Cantrell, 1993, Gene.