000
00297nam a2200121Ia 4500
008
190719s9999 xx 000 0 und d
100
_a
Murray R Spiegel
245
0
_a
Theory & problems of theoritical mechanics
250
_a
1967
260
_a
New York
_b
Schaum Pub Co
650
_a
Math
942
_c
BK
999
_c
548
_d
548