00426nam a2200157 a 4500020001500000020001800015082001600033100001800049245003000067260002900097300001300126650002300139650002200162650002500184856005900209  a9351922170  a9789351922179  a624.0221LAY1 aLayal, J. S. 10aCivil Engineering Drawing  aNew Delhi :bS P,c2009.  a709 p. ;  aStructural drawing  aCivil engineering  aEngineering drawings40uhttp://www.amazon.com/exec/obidos/ASIN/chopaconline-20