nr |
titel |
auteur |
tijdschrift |
jaar |
jaarg. |
afl. |
pagina('s) |
type |
1 |
Contents volume 14, 1989/1990
|
|
|
1990 |
14 |
4 |
p. 343-344 2 p. |
artikel |
2 |
Micropetrographic characteristics of certain Lower Permian coal seams of India with special reference to their mode of formation
|
Chatterjee, C.N. |
|
1990 |
14 |
4 |
p. 295-308 14 p. |
artikel |
3 |
Resino-inertinites of Indian Permian coals — their origin, genesis and classification
|
Misra, B.K. |
|
1990 |
14 |
4 |
p. 277-293 17 p. |
artikel |
4 |
The Lower Permian coal seams from Singrauli coalfield (M.P.), India: petrochemical nature, rank, age and sedimentation
|
Misra, B.K. |
|
1990 |
14 |
4 |
p. 309-342 34 p. |
artikel |
5 |
Thermal alteration and rank variation of coals in the Matanuska field, south-central Alaska
|
Merritt, Roy D. |
|
1990 |
14 |
4 |
p. 255-276 22 p. |
artikel |