TY  - BOOK
AU  - Garg,K.L.
AU  - Dhawan,Shashi
AU  - Aggarwal,O.P.
TI  - Deterioration of stone and building materials by Algae and Lichens : a review
U1  - 721.044 
PY  - 1988///
CY  - Lucknow
PB  - National Research Laboratory for Conservation of Cultural Property
KW  - Building materials
KW  - Effects of temperature on
ER  -