TY - BOOK AU - Giesecke, Frederick E. AU - Mitchell, Alva AU - Spencer, Henry Cecil TI - Engineering Graphics SN - 0137696477 U1 - 604.2 PY - 1998/// CY - Upper Saddle River, Nj : PB - Prentice-Hall, KW - Engineering Graphics N1 - YY UR - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-13-769647-7.pdf ER -