00653nam a2200169Ia 4500008004100000082001400041100001900055245013000074260003800204300000800242650001800250650004200268653001900310942001200329999001500341952012700356170901s1975    xx            000 0 und d  a550bR98C  aRyabchikov, A. 0aChanging Face of the EarthbThe Structure and Dynamics of the Geosphere,Its Natural Development and the Changes caused by Man  aMoscowbProgress Publishersc1975  a205  aPure Sciences  aScience of the earth and other worlds  aEarth sciences  2ddccBK  c5823d5823  00102ddc4070aRAUbRAUd2017-10-18ePunjab Book Centre,Chandigarhg5.50l0o550 R98Cp25622r2017-10-18w1981-06-05yBK