TY  - BOOK
ED  - International Correspondence Schools.
TI  - I. C. S. reference library: A series of textbooks prepared for the students of the international correspondence schools and containing in permanent form the instruction papers, examination questions, and keys used in thieir various courses 
AV  - QD 31 I67.1905
PY  - 1905///
CY  - Scraton
PB  - International textbook company
KW  - Química -
KW  - Estudio y enseñanza
KW  - Mineralogía -
KW  - Geología -
N1  - Elementary chemistry.-- Chemistry and chemical operations.-- Blowpiping.-- Mineralogy.-- Assaying.-- Geology; Abierta a los investigadores bajo las restricciones de la biblioteca
ER  -