TY  - BOOK
AU  - Parker, Sybil P, ed.
TI  - McGraw-Hill encyclopedia of science and technology : an international reference work in twenty volumes including an index (rab-rye) - vol. 15
SN  - 0-07-909206-3
CY  - New York
KW  - Science -- Encyclopedia
KW  - Technology -- Encyclopedia
N1  - Includes bibliographical references and index
ER  -