000 00334 a2200133 4500
080 _a631.53.011.2
_bR 643 V
245 1 _aViability of seeds
_cedited by E.H. Roberts
260 _aLondon
_bChapman and Hall
_c1972
650 _aViability of Seeds
700 _aRoberts, E.H., ed.
100 _a
_d
300 _a448 p.
901 _a123793
999 _c81463
_d81463