Harvard Project Physics.
An Introduction to physics : motion in the heavens / [Harvard Project Physics]. - New York : Holt, Rinehart, 1968. - iv, 138 p. : ill. - Project physics text ; 2 2 .
Vol. 2 : Motion in the heavens.
0030734401
Physics.
An Introduction to physics : motion in the heavens / [Harvard Project Physics]. - New York : Holt, Rinehart, 1968. - iv, 138 p. : ill. - Project physics text ; 2 2 .
Vol. 2 : Motion in the heavens.
0030734401
Physics.