TY  - BOOK
AU  - Mikita, Michael A
AU  - Wershaw, R. L
TI  - NMR of humic substances and coal : techniques, problems, and solutions
SN  - 9780873710824
SN  - 87003657
U1  - 547.7 WER 
PY  - 1987///
CY  - Chelsea
PB  - Lewis Publishers
KW  - Coal - Analysis
KW  - Humic acid - Analysis
KW  - Nuclear magnetic resonance spectroscopy
N1  - Includes bibliographical references and index
ER  -