TY  - BOOK
TI  - McGraw- Hill encylopedia of science and technology
SN  - 0070792925 :
AV  - Q121 .M3
PY  - 1987///
CY  - New york
PB  - Mcgraw-hill book company
KW  - Science
KW  - Dictionaries
KW  - Technology
N1  - Includes bibliographical references and index
ER  -