Introduction to natural science : Pt. - 1, the physical science / Parsegian, V. Lawrence. College Entrance Examination Board. College-Level Examination Program. Science Examinations, questions, etc. Natural history Examinations, questions, etc. Universities and colleges United States Entrance requirements. Q182 .C63 1979 539 PAI Includes Index. New York : Academic press, c1968. c1968. 1968 Text vii, 188 p. : eng United States