@book{58158, title = {പൗരാവകാശ രേഖ (Puravasthu vakupp:pouravakasa rekha)}, publisher = {കേരള പുരാവസ്തുവകുപ്പ്, (Kerala puravasthu vakupp,)}, year = {2015}, address = {തിരുവനന്തപുരം: (Thiruvananthapuram:)} }