TY  - GEN
AU  - Krylov,Nikolaĭ Nikolaevich
TI  - Descriptive geometry
AV  - QA501 
U1  - 515 
PY  - 1968///
CY  - Moscow
PB  - Mir Publishers, 
KW  - Geometry, Descriptive
N1  -  Translation of Nachertatelʹnai︠a︡ geometrii︠a︡
ER  -