000
00277nam a2200121Ia 4500
008
200906s9999 xx 000 0 und d
082
_a
552 T993
100
_a
TYRRELL.G.W
245
0
_a
PRINCIPLES OF PETROLOGY
260
_b
ASIA, BOMBAY
_c
1985
300
_a
20X13
942
_c
BK
999
_c
62049
_d
62049