WAVERTF, wave propagation over obstacles and irregular topography : a user's manual /

Includes abstract.

Problems and obstacles facing paratransit operators in a small urban area : final report : executive summary /

"July 1982."

Obstacles in the pathways to prepaid mental health care /

Bibliography: p. 101-103.

Observations sur les obstacles qui s'opposent aux progres de l'anatomie /

Mode of access: Internet.

Lettres d'un docteur allemand de l'Université catholique de Strasbourg à un gentil-homme protestant, sur les six obstacles au salut, qui se rencontrent dans la religion lutherienne.

Includes bibliographical references.

Hudson tercentenary; an historical retrospect regarding the object and quest of an allwater route from Europe to India; the obstacles in the way; and also Hudson's voyage to America in 1609 and some of its results,

Mode of access: Internet.

Obstacles to railroad unification.

Mode of access: Internet.