..............page:235-236
..............page:221,223
..............page:256,259
..............page:135-136
..............page:274-275
..............page:254-255
..............page:243,245
..............page:265-266
..............page:103,105
..............page:264,266
..............page:241-242
..............page:178,187
..............page:222-223
..............page:175-176
..............page:145-146
..............page:143,146
..............page:258-259
..............page:134,136
..............page:214-215
..............page:164,176
..............page:260,262
a brief discussion on geological catastrophes and spiral arms
weijia zhanga d xiaodong zoub hangjie yuc yang leia daniel conellye(a.department ofphysics and astronomy; pekinguniversity; beijing 100871; b.department of earth and space sciences; peking university; beijing 100871; c.department of physics; sun yat-sen university; zhuhai 510275; d.committee of yuanpei honors program; peking university; china 100871; e.12 south high street; millville; nj 08331; u.s.a)
..............page:261-262
..............page:186-187
..............page:152-153
..............page:118,125
..............page:246-247
..............page:207-209
..............page:226,242
..............page:190,192
..............page:191-192
..............page:149-150
..............page:110-112,117
..............page:104-105
..............page:264,266
..............page:148,150
..............page:179-181
..............page:206,215
..............page:269-270
..............page:241-242
..............page:235-236
..............page:243,245
..............page:254-255
..............page:274-275
..............page:272-273,275
..............page:244-245
what happened at precambrian-cambrian boundary
weijia zhang1a xiaodong zou1b hangjie yu2 yang lei1a(1a.department ofphysics and astronomy; pekinguniversity; beijing 100871; 1b.research institute of paleontology; peking university; beijing 100871; 2.school of physics; sun yat-sen university; zhuhai; guangdong 510275)
..............page:267
..............page:193-194
..............page:268,270
..............page:178,187
..............page:103,105
..............page:135-136
..............page:256,259
..............page:221,223
..............page:265-266
..............page:145-146
..............page:143,146
..............page:175-176
..............page:258-259
..............page:222-223
..............page:190,192
a brief discussion on geological catastrophes and spiral arms
weijia zhanga d xiaodong zoub hangjie yuc yang leia daniel conellye(a.department ofphysics and astronomy; pekinguniversity; beijing 100871; b.department of earth and space sciences; peking university; beijing 100871; c.department of physics; sun yat-sen university; zhuhai 510275; d.committee of yuanpei honors program; peking university; china 100871; e.12 south high street; millville; nj 08331; u.s.a)
..............page:261-262
..............page:226,242
..............page:246-247
..............page:260,262
..............page:118,125
..............page:214-215
..............page:186-187
..............page:164,176
..............page:152-153
..............page:134,136
..............page:191-192
..............page:149-150
..............page:272-273,275
..............page:207-209
..............page:110-112,117
..............page:148,150
..............page:179-181
..............page:104-105
..............page:244-245
..............page:206,215
..............page:269-270
what happened at precambrian-cambrian boundary
weijia zhang1a xiaodong zou1b hangjie yu2 yang lei1a(1a.department ofphysics and astronomy; pekinguniversity; beijing 100871; 1b.research institute of paleontology; peking university; beijing 100871; 2.school of physics; sun yat-sen university; zhuhai; guangdong 510275)
..............page:267
..............page:193-194
..............page:268,270