000 00310nam a2200121Ia 4500
008 170101s1978 xx 000 0 und d
082 _a574.012 BEL
100 _aBeltsville Agricultural Research Center
245 0 _aBioayatematics in Agriculture 2.
260 _c1978
300 _a340 p.
942 _2ddc
_cB
999 _c661816
_d661816