机读格式显示(MARC)

• 000 00830cas a2200265 4500

• 001 0000568279

• 005 20190705154300.0

• 008 741119c19749999mduuu r 0 a0eng

• 022 __ |a 0094-4742

• 040 __ |a DLC |c DLC |d NSD |d DLC |d NST |d OCL |d NST |d RCS |d OCL |d NST |d WAU |d NST |d HUL |d NST |d OSU |d UtOrBLW

• 042 __ |a lc |a nsdp

• 050 00 |a TD12 |b .W65

• 060 00 |a WA 22 W9273

• 090 __ |a X-7/BP/(4)

• 093 __ |a X-7 |2 5

• 222 _0 |a World environmental directory

• 245 00 |a World environmental directory

• 260 __ |a [Silver Spring, Md. : |b Business Publishers], |c 1974-

• 300 __ |a v. ; |c 23 cm

• 362 0_ |a [1st ed.]- summer 1974-

• 500 __ |a "Standard environmental reference."

• 650 _0 |a Environmental engineers |v Directories

• 650 _0 |a Environmental protection |v Directories

• 650 _2 |a Environment

• 920 __ |a 211180 |z 1