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41by Gotshall, Daniel W., Raymond Ally, J.R., Vaughan, Douglas L., Hatfield, Brian B., Law, Philip
Published 1986monograph bibliotecaUNESCO -
42by Gotshall, Daniel W., Lea, Robert N., Laurent, Laurence L., Hoban, Therese L., Farrnes, Gary D.
Published 1974monograph bibliotecaUNESCO -
43by Gotshall, Daniel W., Laurent, Laurence L., Ebert, Earl E., Wendell, Fred E., Farrens, Gary D.
Published 1974monograph bibliotecaUNESCO