Handbook of cosmic hazards and planetary defense

Available for University of the Philippines System via SpringerLink. Click here to access
Also available remotely for University of the Philippines System via SpringerLink. Click here to access thru EZproxy

Hunting and imaging comets by Mobberley, Martin 1958-

Available for University of the Philippines Diliman via SpringerLink. Click here to access

Asteroids, meteorites, and comets. by Elkins-Tanton, Linda T.

Comets and asteroids by Nardo, Don 1947-

Available for University of the Philippines Diliman via Gale Virtual Reference Library. Click here to access

Comets and asteroids by Nardo, Don 1947-

Available for University of the Philippines System via Gale Virtual Reference Library. Click here to access

Comet of the century from Halley to Hale-Bopp by Schaaf, Fred

Rain of iron and ice the very real threat of comet and asteroid bombardment by Lewis, John S.

Comets a chronological history of observation, science, myth, and folklore by Yeomans, Donald K.

Discovering new Philippine comet from a convent in Abra by Quintero, Chit C.

Comets