Planck functions and integrals:
methods of computation,
by Thomas E. Michels.

APA Citation

Michels, T. E. (1968). Planck functions and integrals: methods of computation. [Washington]: National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.

MLA Citation

Michels, Thomas E. Planck Functions And Integrals: Methods of Computation. [Washington]: National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va, 1968.

Warning: These citations may not always be complete (especially for serials).