Detection methods and sampling plans for pathogens in poultry : proceedings of a meeting held at Grub, Germany, September 22-24th, 1991 / ed. Chr. Schwarzer and R.W.A.W. Mulder

Detection methods and sampling plans for pathogens in poultry : proceedings of a meeting held at Grub, Germany, September 22-24th, 1991 / ed. Chr. Schwarzer and R.W.A.W. Mulder