%0 Generic %C [S.l.] : %D 1963. %I [s.n.], %T Cordwood heights of mixed oak growing on grayling and rubicon soils %U http://SK8ES4MC2L.search.serialssolutions.com/?sid=sersol&SS_jc=TC_014640884&title=Cordwood%20heights%20of%20mixed%20oak%20growing%20on%20grayling%20and%20rubicon%20soils