Author
Bourne, Charles P.
Published
Springfield, Va. : reproduced by the Clearinghouse for Federal Scientific and Technical Information, 1969.
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Hood, Martha W.
Published
Beltsville, Md. : National Agricultural Library, Technical Services Division, 1991.
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Published
Wallingford, Oxfordshire : CABI
Online
Location
Yale Internet Resource >> None
Format
Databases / Online