000 00295nam a2200109 4500
245 _aPhysical geology
_cJohn R . L . Allen
100 _aAllen, John R . L. .
260 _aLondon
_bGeorge Allen & Unwin
_c1975
300 _a140p. ; 25cm.-
490 _aIntroducing geology ;no.3
082 _a551
_b ALL
999 _c4595
_d4595