00447 2200169 4500001002100000008003900021035002000060245004400080100001600124260002400140300002600164020001500190084002100205082001500226650002200241990001400263INLIS000000000003999 N  a0010-0317003997 aGenetic improvement of cattle and sheep aSimm, Geoff bFarming Pressc2000 axiii, 431 hlm.c23 cm a0852363516 a636.208 21 Sim g a636.208 21 aCATTLE - GENETICS a133604212