Production & germination of paper birch seed and its dispersal into a forest opening / by John C. Bjorkbom.

Title: Production & germination of paper birch seed and its dispersal into a forest opening / by John C. Bjorkbom.
Author(s): Bjorkbom, John C., 1915- cn
Publisher: Upper Darby, Pa. : Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971.
Subject(s): Paper birch Seeds.

 LDR 01024cam  2200265 a 4500
001     AUA010114470
008     731001s19710000paua00000b000f000000eng00
010 00 _a    73171492 //r86
035 00 _a (OCoLC)00725441
040 00 _a DLC
       _c DLC
       _d m.c.
       _d RQF
049 00 _a RQFU
       _c 1 [SER]
       _v 99999
       _o if you want this item, enter
 dsc/634.9un3117p,b=209
050 00 _a SD11
       _b .A455493 no. 209
       _a SD397.P28
070 00 _a A99.9
       _b F7622Un no.209
072 00 _a F600
       _a K001
082 00 _a 634.9/0974 s
       _a 634.9/726/7
086 00 _a A 13.78:NE-209
092 00 _a 634.9
       _b Un3117up, no.209
100 10 _a Bjorkbom, John C.,
       _d 1915-
       _w cn
245 10 _a Production & germination of paper birch seed and its
 dispersal into a forest opening /
       _c by John C. Bjorkbom.
260 00 _a Upper Darby, Pa. :
       _b Northeastern Forest Experiment Station, Forest
 Service, U.S. Dept. of Agriculture,
       _c 1971.
300 00 _a 14 p. :
       _b ill. ;
       _c 23 cm.
440 00 _a USDA Forest Service research paper NE ;
       _v 209
500 00 _a Cover title.
504 00 _a Bibliography: p. 14.
650 00 _a Paper birch
       _x Seeds.