this tab was taken from timpatton.com/nirvana and modified by adding 
the dashes in between
notes to make it easier to read and labeling the strings bynote instead of number but
otherwise its exactly the same.

INTRO
Guitar 1
e|12--------11---5-x-x-x-7-----------------------
B|---11-12-10----5---------6-7/9-------8-6/7-----
G|--------9---------------------6-8-5-4-----7/6 8
D|-------------9---------------------------------
A|--------------0--------------------------------
E|-----------------------------------------------

Guitar 2
e|-7--5-------------7-7-7-7/9-6--4-----------10-11-16dontpick-
B|---6---7-6-5-4-3-----------8--5-5/0-rake--9-----------------
G|--5---6---------4/----------------------------------/x------
D|-----7------------------------------------------8---/x------
A|-----------------------------0------------------------------
E|------------------------------------------------------------

Chorus:
e|-----------------------------------
B|-------9-9-------------------------
G|-------9-9-------------------------
D|-------9-9-------------------------
A|-8-8-8-7-7-5-5---5-5-5-6-6-2-2-2---
E|-6-6-6-----3-3-0-3-3-3-4-4-0-0-0---

Bridge:
e|-----------------8----------------3-
B|---5-5------------------------------
G|--------------8 8----------------2--
D|---------------7--------------------
A|-1----3 3---------------------------
E|--0---6--6-6-0----6-6-6-6-6-6-6-0---

e|----------------------3\-
B|-------------------------
G|---------------------2---
D|-------------------------
A|-------------------------
E|-6-6-6-6-6-6-6-0-0-0-----

Verse:
e|-6-6-6-6-6-6-6-6-0-0-0-0-0

this tab taken from timpatton.com/nirvana