TY  - BOOK
AU  - Burri,Conrad
TI  - Petrochemical calculations: based on equivalents [methods of Paul Niggli]
PY  - 1964///
CY  - Jerusalem
PB  - Israel program for scientific translations
KW  - GEOQUIMICA
N1  - ApÃ©ndice y bibliografÃ­a: p.241-290
ER  -