Barden, John A.
Plant science
McGraw-Hill, 1987
 Buku Teks
Analytical techniques for atmospheric measurement
edited by Dwayne E. Heard
Blackwell , 2007
 Buku Teks
Losee, Robert M. (Robert Maclean), 1952-
The science of information: measurement and application
Academic Press, 1990
 Buku Teks
Blalock, Hubert M.
Conceptualization and measurement in the social science
Sage Publications, 1982
 Buku Teks
Ouellette, Robert P.
Computer techniques in environmental science
Petrocelli/Charter, 1975
 Buku Teks SO