batch upload 4 paper pdf files

.gitattributes

@@ -132,3 +132,7 @@ pdfs/b7a048b253b304f20efb8f753114e4424457688f.pdf filter=lfs diff=lfs merge=lfs
 pdfs/6ddb82cf65a8ae4a0827438b88950f3c6806d09c.pdf filter=lfs diff=lfs merge=lfs -text
 pdfs/5de7c0fe7968a5e8a5bf82fa66d33fd012769248.pdf filter=lfs diff=lfs merge=lfs -text
 pdfs/49711ed99708fd088ffed1d4c8206a2e9e9b4be8.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/db13aa1c87f44505f0a5ffa8df34254f25aa973b.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/0282d610005b60bfc3b265daceca302b389c6b1c.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/f0bf42b87043282a227b410bf28f163e888f9e2b.pdf filter=lfs diff=lfs merge=lfs -text
+pdfs/44ff6c3067269b3e5170ede962c40fdab54d9a4e.pdf filter=lfs diff=lfs merge=lfs -text

pdfs/0282d610005b60bfc3b265daceca302b389c6b1c.pdf

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fdcfb3bc70ab5c8b831953f7b02f1229f5465ab87e9bf9888c05954383a8e014
+size 861529

pdfs/44ff6c3067269b3e5170ede962c40fdab54d9a4e.pdf

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:523a46e61872255d17d55b7d2e8d825ff7b8e594be9ce1e0c73e6a1abc3cc2fa
+size 256706

pdfs/db13aa1c87f44505f0a5ffa8df34254f25aa973b.pdf

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9a841773bdbc89104b0812b8c8378192e9316a5ef09e06424f40fd6a679e318
+size 670455

pdfs/f0bf42b87043282a227b410bf28f163e888f9e2b.pdf

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c1cea7a196d19e31b7253dc252f572dbb7130cd4eb618ba151e3be77b1750c56
+size 473239