000 00335pam a2200157a 44500
008 230515b1978 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aKIR
100 _aKIRKBY M. J.
245 _aGEOMORPHIC THRESHOLD
250 _aNULL
260 _aPUNE
_bNA
_c1978
300 _a20PB
650 _aNULL
999 _c661930
_d661930