A method for determining virus on surfaces contaminated by virus aerosols,

Translated from: Gigiyena i Sanitariya (Hygiene and Sanitation), Russian, December 1968, pp. 60-64.

Hourly solar radiation data for vertical and horizontal surfaces on average days in the United States and Canada /

Mode of access: Internet.

An application of the Crossley reflector of the Lick Observatory to the study of very faint spectra /

Thesis (Ph.D.)--University of California, Berkeley, 1902.

Leçons sur la théorie générale des surfaces.

At head of title: Cours de géometrie de la Faculté des Sciences.

Observations des surfaces planétaires. La lune--Mars--Jupiter--Saturne--Mercure.

Subtitle varies: Mars--Saturne--la lune--Vénus--Mercure, vol. 2-

The elements of the differential calculus, comprehending the general theory of curve surfaces, and of curves of double curvature. Intended for the use of mathematical students in schools and universities.

Available on demand as hard copy or computer file from Cornell University Library.

Projective differential geometry of curves and ruled surfaces,

Available on demand as hard copy or computer file from Cornell University Library.

Sur une classe remarquable de courbes et de surfaces algébriques et sur la théorie imaginaire,

Available on demand as hard copy or computer file from Cornell University Library.

Evaporation from free water surfaces /

Mode of access: Internet.

Investigations in the theory of reflected ray-surfaces, and their relation to plane reflected caustics.

Mode of access: Internet.

Information statement on the removal of lead-based paint from exterior surfaces.

"October 1, 1995."

Specifications for the bituminous surface treatment of gravel and crushed stone surfaces, subclass A-1.

Mode of access: Internet.

Specifications for the bituminous surface treatment of gravel and crushed stone surfaces, subclass A-3 (Liquid and powdered asphalt) : effective May 15, 1939.

Mode of access: Internet.

Essais de géométrie sur les plans et les surfaces courbes : (élémens de géométrie descriptive) /

Mode of access: Internet.

Essai de géométrie analytique, appliquée aux courbes et aux surfaces du second ordre;

Mode of access: Internet.