"agor, r . "
a textbook of advanced surveying: / r.. agor - 2 ed. - india : khanna 1986. - ", 645p.; 22 cm."
hard cover
TA545 / .A36 1981
a textbook of advanced surveying: / r.. agor - 2 ed. - india : khanna 1986. - ", 645p.; 22 cm."
hard cover
TA545 / .A36 1981