000 00618nam a2200157Ia 4500
008 140208s9999 xx 000 0 und d
020 _a9780470264164
044 _aU.S.A.
080 _a574.012 R66B
100 _aRomberger, John Albert
245 _aBiosystematics in agriculture : invited papers presented at a symposium held May 8 - 11, 1977, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland 20705
_cJohn Albert Romberger
260 _bAllanheld, Osmun
_aMontclair
_c1978
300 _axii, 340 p.; 24cm.
490 _a(Beltsville symposia in agricultural research; 2)
942 _2udc
_cGB
999 _c8460
_d8460