000 00324nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aSpencer, J.B.
245 _aMaple sugar industry in Canada
260 _aOttawa
_c1913
300 _a1-64 p.
440 _aCanada Department of Agricult
901 _a2990
942 _cB
_2udc
999 _c607
_d607