000 00309nam a2200109Ia 4500
008 151011s9999 xx 000 0 und d
041 _aENG
245 _aRothamsted experimental station : report for 1968
260 _c1968
_aHarpenden
_bRothamsted Experimental Station
300 _a2p. 215p.
942 _cBK
_2udc
999 _c21468
_d21468