TY  - BOOK
TI  - McGraw-Hill encyclopedia of science and technology: an international reference work in fifteen volumes including an index
U1  - 603 
PY  - 1960///
CY  - Estados Unidos
PB  - McGraw Hill Book Company
KW  - Ciencia
KW  - enciclopedias y diccionarios
KW  - Tecnología
ER  -