[Zoohygienic evaluation of a gravity flow-flotation system for removal of manure].
D006920:Hygiene; D012498:Sanitary Engineering / Q000295:instrumentation*; D014586:USSR; D014730:Veterinary Medicine / Q000295:instrumentation*
Zoogigienicheskaia otsenka samotechno-splavnoĭ sistemy udaleniia navoza