EDGAR Filing Documents for 0001193125-13-160948

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]:

SEC Accession No. 0001193125-13-160948

Filing Date

2013-04-18

Accepted

2013-04-18 17:01:48

Documents

Period of Report

2012-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	FORM 20-F	d521045d20f.htm	20-F	1435717
2	EX-4.25	d521045dex425.htm	EX-4.25	21188
3	EX-8	d521045dex8.htm	EX-8	19467
4	EX-12.1	d521045dex121.htm	EX-12.1	9010
5	EX-12.2	d521045dex122.htm	EX-12.2	9000
6	EX-13.1	d521045dex131.htm	EX-13.1	3489
7	EX-13.2	d521045dex132.htm	EX-13.2	3489
8	EX-15.1	d521045dex151.htm	EX-15.1	1555
15	GRAPHIC	g521045ex4_25logo.jpg	GRAPHIC	17916
16	GRAPHIC	g521045ex4_25pg01.jpg	GRAPHIC	5483
17	GRAPHIC	g521045ex4_25pg02a.jpg	GRAPHIC	12786
18	GRAPHIC	g521045ex4_25pg02b.jpg	GRAPHIC	9689
19	GRAPHIC	g521045ex4_25pg02c.jpg	GRAPHIC	5790
20	GRAPHIC	g521045ex4_25pg03a.jpg	GRAPHIC	6317
21	GRAPHIC	g521045ex4_25pg03b.jpg	GRAPHIC	6108
22	GRAPHIC	g521045ex4_25pg03c.jpg	GRAPHIC	6073
23	GRAPHIC	g521045g62n43.jpg	GRAPHIC	60670
	Complete submission text file	0001193125-13-160948.txt		8565843

Data Files

Seq	Description	Document	Type	Size
9	XBRL INSTANCE DOCUMENT	gass-20121231.xml	EX-101.INS	1409809
10	XBRL TAXONOMY EXTENSION SCHEMA	gass-20121231.xsd	EX-101.SCH	72564
11	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE	gass-20121231_cal.xml	EX-101.CAL	45508
12	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE	gass-20121231_def.xml	EX-101.DEF	336043
13	XBRL TAXONOMY EXTENSION LABEL LINKBASE	gass-20121231_lab.xml	EX-101.LAB	469435
14	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE	gass-20121231_pre.xml	EX-101.PRE	345250

Mailing Address 331 KIFISSIAS AVENUE ERITHREA 14561 ATHENS J3 00000

Business Address 331 KIFISSIAS AVENUE ERITHREA 14561 ATHENS J3 00000 30 210 625 2849