TY  - BOOK
AU  - Yelles,Marvin
TI  - McGraw-Hill encyclopedia of science and technology: an international reference work 
SN  - 0070797986
PY  - 1971///
CY  - New York
PB  - McGraw-Hill
KW  - Science
KW  - Encyclopedias
KW  - Technology
N1  - Includes bibliographical references and index
ER  -