000 004070000a22001450004500
008 140223b1961 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aC822 K1
082 _aC822 K1
100 _aHAAR (Dirk Ter)
245 _aElements of Hamiltonian mechanics.
260 _aAmsterdam
_bNorth Holland
_c1961
440 _aSeries in Physics, ed by J.De Boer and others.
650 _aCOSMIC HYPOTHESES
999 _c226995
_d226995