Air quality in a straw bedded sloped floor housing system for heifers
Literatur
Hinz T, Sonnenberg H, Hartung J (1998) Air quality in a straw bedded sloped floor housing system for heifers. In: Fourth International Dairy Housing Conference, January 28-30, 1998, St. Louis, Missouri. St Joseph, Mich: ASAE, pp 185-192
Testing of keeping systems suitable for the raising of calves
Literatur
Krentler J-G (1993) Testing of keeping systems suitable for the raising of calves. In: Collins E, Boon C (eds) Livestock environment 4 : fourth international symposium, University of Warwick, Coventry, England, 6 - 9 July 1993. St Joseph, Mich: ASAE, pp 217-224
Biogas as fuel for internal combustion engines
Literatur
Ortiz-Canavate J, Baader W, Ahlers R (1988) Biogas as fuel for internal combustion engines. ASAE Paper 1988/5013: