TY  - BOOK
AU  - Croft,Terrell
AU  - Purdy,Randall Brockner
TI  - Steam boilers
PY  - 1937///
CY  - New York : , London : 
PB  - McGraw-Hill
KW  - CALDERAS DE VAPOR
UR  - https://archive.org/details/steamboilers00crof/page/n9/mode/2up
ER  -